Home / 2,712,115.20-4,069,209.60-2,669,606.40

Finding the Fourth Proportional to 2,712,115.20, 4,069,209.60 and 2,669,606.40

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Solution

The fourth proportional to 2,712,115.20, 4,069,209.60 and 2,669,606.40 is: 4,005,430.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,712,115.20 : 4,069,209.60 = 2,669,606.40 : x
  2. Step 2: Convert to fraction form
    2,712,115.20/4,069,209.60 = 2,669,606.40/x
  3. Step 3: Cross multiply
    2,712,115.20x = 4,069,209.60 × 2,669,606.40
  4. Step 4: Simplify right side
    2,712,115.20x = 10,863,187,991,101.44
  5. Step 5: Solve for x
    x = 10,863,187,991,101.44/2,712,115.20
  6. Step 6: Final answer
    x = 4,005,430.15

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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.