Home / 2,139,517.57-3,209,424.03-623,213.11

Finding the Fourth Proportional to 2,139,517.57, 3,209,424.03 and 623,213.11

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Solution

The fourth proportional to 2,139,517.57, 3,209,424.03 and 623,213.11 is: 934,862.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,139,517.57 : 3,209,424.03 = 623,213.11 : x
  2. Step 2: Convert to fraction form
    2,139,517.57/3,209,424.03 = 623,213.11/x
  3. Step 3: Cross multiply
    2,139,517.57x = 3,209,424.03 × 623,213.11
  4. Step 4: Simplify right side
    2,139,517.57x = 2,000,155,131,045.03
  5. Step 5: Solve for x
    x = 2,000,155,131,045.03/2,139,517.57
  6. Step 6: Final answer
    x = 934,862.68

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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.