Home / 2,425,565.40-3,638,520.90-742,666.20

Finding the Fourth Proportional to 2,425,565.40, 3,638,520.90 and 742,666.20

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Solution

The fourth proportional to 2,425,565.40, 3,638,520.90 and 742,666.20 is: 1,114,052.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,425,565.40 : 3,638,520.90 = 742,666.20 : x
  2. Step 2: Convert to fraction form
    2,425,565.40/3,638,520.90 = 742,666.20/x
  3. Step 3: Cross multiply
    2,425,565.40x = 3,638,520.90 × 742,666.20
  4. Step 4: Simplify right side
    2,425,565.40x = 2,702,206,490,423.58
  5. Step 5: Solve for x
    x = 2,702,206,490,423.58/2,425,565.40
  6. Step 6: Final answer
    x = 1,114,052.21

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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.