Home / 1,697,397.47-2,342,470.10-972,385.31

Finding the Fourth Proportional to 1,697,397.47, 2,342,470.10 and 972,385.31

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Solution

The fourth proportional to 1,697,397.47, 2,342,470.10 and 972,385.31 is: 1,341,927.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,697,397.47 : 2,342,470.10 = 972,385.31 : x
  2. Step 2: Convert to fraction form
    1,697,397.47/2,342,470.10 = 972,385.31/x
  3. Step 3: Cross multiply
    1,697,397.47x = 2,342,470.10 × 972,385.31
  4. Step 4: Simplify right side
    1,697,397.47x = 2,277,783,514,354.23
  5. Step 5: Solve for x
    x = 2,277,783,514,354.23/1,697,397.47
  6. Step 6: Final answer
    x = 1,341,927.01

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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.