Home / 2,139,517.32-3,209,423.66-623,212.86

Finding the Fourth Proportional to 2,139,517.32, 3,209,423.66 and 623,212.86

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Solution

The fourth proportional to 2,139,517.32, 3,209,423.66 and 623,212.86 is: 934,862.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,139,517.32 : 3,209,423.66 = 623,212.86 : x
  2. Step 2: Convert to fraction form
    2,139,517.32/3,209,423.66 = 623,212.86/x
  3. Step 3: Cross multiply
    2,139,517.32x = 3,209,423.66 × 623,212.86
  4. Step 4: Simplify right side
    2,139,517.32x = 2,000,154,094,984.20
  5. Step 5: Solve for x
    x = 2,000,154,094,984.20/2,139,517.32
  6. Step 6: Final answer
    x = 934,862.31

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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.