Home / 5,106,791.20-7,047,370.12-2,814,990.16

Finding the Fourth Proportional to 5,106,791.20, 7,047,370.12 and 2,814,990.16

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Solution

The fourth proportional to 5,106,791.20, 7,047,370.12 and 2,814,990.16 is: 3,884,685.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,106,791.20 : 7,047,370.12 = 2,814,990.16 : x
  2. Step 2: Convert to fraction form
    5,106,791.20/7,047,370.12 = 2,814,990.16/x
  3. Step 3: Cross multiply
    5,106,791.20x = 7,047,370.12 × 2,814,990.16
  4. Step 4: Simplify right side
    5,106,791.20x = 19,838,277,541,678.02
  5. Step 5: Solve for x
    x = 19,838,277,541,678.02/5,106,791.20
  6. Step 6: Final answer
    x = 3,884,685.46

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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.