Home / 2,371,681.15-3,557,457.12-665,838.56

Finding the Fourth Proportional to 2,371,681.15, 3,557,457.12 and 665,838.56

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Solution

The fourth proportional to 2,371,681.15, 3,557,457.12 and 665,838.56 is: 998,739.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,371,681.15 : 3,557,457.12 = 665,838.56 : x
  2. Step 2: Convert to fraction form
    2,371,681.15/3,557,457.12 = 665,838.56/x
  3. Step 3: Cross multiply
    2,371,681.15x = 3,557,457.12 × 665,838.56
  4. Step 4: Simplify right side
    2,371,681.15x = 2,368,692,126,042.55
  5. Step 5: Solve for x
    x = 2,368,692,126,042.55/2,371,681.15
  6. Step 6: Final answer
    x = 998,739.70

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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.