Home / 5,360,214.02-7,397,071.07-2,912,778.77

Finding the Fourth Proportional to 5,360,214.02, 7,397,071.07 and 2,912,778.77

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Solution

The fourth proportional to 5,360,214.02, 7,397,071.07 and 2,912,778.77 is: 4,019,621.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,360,214.02 : 7,397,071.07 = 2,912,778.77 : x
  2. Step 2: Convert to fraction form
    5,360,214.02/7,397,071.07 = 2,912,778.77/x
  3. Step 3: Cross multiply
    5,360,214.02x = 7,397,071.07 × 2,912,778.77
  4. Step 4: Simplify right side
    5,360,214.02x = 21,546,031,521,327.94
  5. Step 5: Solve for x
    x = 21,546,031,521,327.94/5,360,214.02
  6. Step 6: Final answer
    x = 4,019,621.50

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.