Home / 2,217,663.09-3,060,357.24-1,287,457.15

Finding the Fourth Proportional to 2,217,663.09, 3,060,357.24 and 1,287,457.15

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Solution

The fourth proportional to 2,217,663.09, 3,060,357.24 and 1,287,457.15 is: 1,776,680.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,217,663.09 : 3,060,357.24 = 1,287,457.15 : x
  2. Step 2: Convert to fraction form
    2,217,663.09/3,060,357.24 = 1,287,457.15/x
  3. Step 3: Cross multiply
    2,217,663.09x = 3,060,357.24 × 1,287,457.15
  4. Step 4: Simplify right side
    2,217,663.09x = 3,940,078,811,405.87
  5. Step 5: Solve for x
    x = 3,940,078,811,405.87/2,217,663.09
  6. Step 6: Final answer
    x = 1,776,680.52

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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.