Home / 2,803,381.20-4,205,071.80-2,776,809.15

Finding the Fourth Proportional to 2,803,381.20, 4,205,071.80 and 2,776,809.15

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Solution

The fourth proportional to 2,803,381.20, 4,205,071.80 and 2,776,809.15 is: 4,165,213.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,803,381.20 : 4,205,071.80 = 2,776,809.15 : x
  2. Step 2: Convert to fraction form
    2,803,381.20/4,205,071.80 = 2,776,809.15/x
  3. Step 3: Cross multiply
    2,803,381.20x = 4,205,071.80 × 2,776,809.15
  4. Step 4: Simplify right side
    2,803,381.20x = 11,676,681,850,646.97
  5. Step 5: Solve for x
    x = 11,676,681,850,646.97/2,803,381.20
  6. Step 6: Final answer
    x = 4,165,213.73

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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.