Home / 3,129,431.40-4,314,374.82-2,675,422.62

Finding the Fourth Proportional to 3,129,431.40, 4,314,374.82 and 2,675,422.62

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Solution

The fourth proportional to 3,129,431.40, 4,314,374.82 and 2,675,422.62 is: 3,688,457.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,129,431.40 : 4,314,374.82 = 2,675,422.62 : x
  2. Step 2: Convert to fraction form
    3,129,431.40/4,314,374.82 = 2,675,422.62/x
  3. Step 3: Cross multiply
    3,129,431.40x = 4,314,374.82 × 2,675,422.62
  4. Step 4: Simplify right side
    3,129,431.40x = 11,542,775,984,586.43
  5. Step 5: Solve for x
    x = 11,542,775,984,586.43/3,129,431.40
  6. Step 6: Final answer
    x = 3,688,457.90

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Double scale
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1.5x scale

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.