Home / 3,120,707.70-4,681,061.55-2,759,901.30

Finding the Fourth Proportional to 3,120,707.70, 4,681,061.55 and 2,759,901.30

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Solution

The fourth proportional to 3,120,707.70, 4,681,061.55 and 2,759,901.30 is: 4,139,851.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,707.70 : 4,681,061.55 = 2,759,901.30 : x
  2. Step 2: Convert to fraction form
    3,120,707.70/4,681,061.55 = 2,759,901.30/x
  3. Step 3: Cross multiply
    3,120,707.70x = 4,681,061.55 × 2,759,901.30
  4. Step 4: Simplify right side
    3,120,707.70x = 12,919,267,857,225.01
  5. Step 5: Solve for x
    x = 12,919,267,857,225.01/3,120,707.70
  6. Step 6: Final answer
    x = 4,139,851.95

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Double scale
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Similar ratio
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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.