Home / 2,912,250.90-4,368,376.35-782,550.30

Finding the Fourth Proportional to 2,912,250.90, 4,368,376.35 and 782,550.30

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Solution

The fourth proportional to 2,912,250.90, 4,368,376.35 and 782,550.30 is: 1,173,825.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912,250.90 : 4,368,376.35 = 782,550.30 : x
  2. Step 2: Convert to fraction form
    2,912,250.90/4,368,376.35 = 782,550.30/x
  3. Step 3: Cross multiply
    2,912,250.90x = 4,368,376.35 × 782,550.30
  4. Step 4: Simplify right side
    2,912,250.90x = 3,418,474,223,205.41
  5. Step 5: Solve for x
    x = 3,418,474,223,205.41/2,912,250.90
  6. Step 6: Final answer
    x = 1,173,825.45

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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.