Home / 2,132,670.74-3,199,006.10-712,726.81

Finding the Fourth Proportional to 2,132,670.74, 3,199,006.10 and 712,726.81

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Solution

The fourth proportional to 2,132,670.74, 3,199,006.10 and 712,726.81 is: 1,069,090.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,132,670.74 : 3,199,006.10 = 712,726.81 : x
  2. Step 2: Convert to fraction form
    2,132,670.74/3,199,006.10 = 712,726.81/x
  3. Step 3: Cross multiply
    2,132,670.74x = 3,199,006.10 × 712,726.81
  4. Step 4: Simplify right side
    2,132,670.74x = 2,280,017,406,607.84
  5. Step 5: Solve for x
    x = 2,280,017,406,607.84/2,132,670.74
  6. Step 6: Final answer
    x = 1,069,090.21

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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.