Home / 3,726,595.54-5,142,347.33-2,178,220.20

Finding the Fourth Proportional to 3,726,595.54, 5,142,347.33 and 2,178,220.20

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Solution

The fourth proportional to 3,726,595.54, 5,142,347.33 and 2,178,220.20 is: 3,005,736.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,726,595.54 : 5,142,347.33 = 2,178,220.20 : x
  2. Step 2: Convert to fraction form
    3,726,595.54/5,142,347.33 = 2,178,220.20/x
  3. Step 3: Cross multiply
    3,726,595.54x = 5,142,347.33 × 2,178,220.20
  4. Step 4: Simplify right side
    3,726,595.54x = 11,201,164,829,622.07
  5. Step 5: Solve for x
    x = 11,201,164,829,622.07/3,726,595.54
  6. Step 6: Final answer
    x = 3,005,736.66

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Double scale
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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.