Home / 3,155,138.60-4,732,707.90-1,025,292.20

Finding the Fourth Proportional to 3,155,138.60, 4,732,707.90 and 1,025,292.20

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Solution

The fourth proportional to 3,155,138.60, 4,732,707.90 and 1,025,292.20 is: 1,537,938.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,155,138.60 : 4,732,707.90 = 1,025,292.20 : x
  2. Step 2: Convert to fraction form
    3,155,138.60/4,732,707.90 = 1,025,292.20/x
  3. Step 3: Cross multiply
    3,155,138.60x = 4,732,707.90 × 1,025,292.20
  4. Step 4: Simplify right side
    3,155,138.60x = 4,852,408,494,748.38
  5. Step 5: Solve for x
    x = 4,852,408,494,748.38/3,155,138.60
  6. Step 6: Final answer
    x = 1,537,938.30

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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.