Home / 3,478,504.16-5,217,784.02-1,428,636.56

Finding the Fourth Proportional to 3,478,504.16, 5,217,784.02 and 1,428,636.56

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Solution

The fourth proportional to 3,478,504.16, 5,217,784.02 and 1,428,636.56 is: 2,142,966.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,478,504.16 : 5,217,784.02 = 1,428,636.56 : x
  2. Step 2: Convert to fraction form
    3,478,504.16/5,217,784.02 = 1,428,636.56/x
  3. Step 3: Cross multiply
    3,478,504.16x = 5,217,784.02 × 1,428,636.56
  4. Step 4: Simplify right side
    3,478,504.16x = 7,454,316,987,066.85
  5. Step 5: Solve for x
    x = 7,454,316,987,066.85/3,478,504.16
  6. Step 6: Final answer
    x = 2,142,966.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.