Home / 3,129,732.70-4,316,874.12-2,201,409.28

Finding the Fourth Proportional to 3,129,732.70, 4,316,874.12 and 2,201,409.28

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Solution

The fourth proportional to 3,129,732.70, 4,316,874.12 and 2,201,409.28 is: 3,036,427.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,129,732.70 : 4,316,874.12 = 2,201,409.28 : x
  2. Step 2: Convert to fraction form
    3,129,732.70/4,316,874.12 = 2,201,409.28/x
  3. Step 3: Cross multiply
    3,129,732.70x = 4,316,874.12 × 2,201,409.28
  4. Step 4: Simplify right side
    3,129,732.70x = 9,503,206,748,359.83
  5. Step 5: Solve for x
    x = 9,503,206,748,359.83/3,129,732.70
  6. Step 6: Final answer
    x = 3,036,427.60

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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.