Home / 2,947,337.24-4,421,005.65-817,421.31

Finding the Fourth Proportional to 2,947,337.24, 4,421,005.65 and 817,421.31

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Solution

The fourth proportional to 2,947,337.24, 4,421,005.65 and 817,421.31 is: 1,226,131.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,947,337.24 : 4,421,005.65 = 817,421.31 : x
  2. Step 2: Convert to fraction form
    2,947,337.24/4,421,005.65 = 817,421.31/x
  3. Step 3: Cross multiply
    2,947,337.24x = 4,421,005.65 × 817,421.31
  4. Step 4: Simplify right side
    2,947,337.24x = 3,613,824,229,940.40
  5. Step 5: Solve for x
    x = 3,613,824,229,940.40/2,947,337.24
  6. Step 6: Final answer
    x = 1,226,131.91

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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.