Home / 2,912,487.40-4,368,731.10-2,651,213.80

Finding the Fourth Proportional to 2,912,487.40, 4,368,731.10 and 2,651,213.80

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Solution

The fourth proportional to 2,912,487.40, 4,368,731.10 and 2,651,213.80 is: 3,976,820.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912,487.40 : 4,368,731.10 = 2,651,213.80 : x
  2. Step 2: Convert to fraction form
    2,912,487.40/4,368,731.10 = 2,651,213.80/x
  3. Step 3: Cross multiply
    2,912,487.40x = 4,368,731.10 × 2,651,213.80
  4. Step 4: Simplify right side
    2,912,487.40x = 11,582,440,180,809.18
  5. Step 5: Solve for x
    x = 11,582,440,180,809.18/2,912,487.40
  6. Step 6: Final answer
    x = 3,976,820.70

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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.