Home / 5,676,828.32-8,519,003.28-3,119,828.96

Finding the Fourth Proportional to 5,676,828.32, 8,519,003.28 and 3,119,828.96

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Solution

The fourth proportional to 5,676,828.32, 8,519,003.28 and 3,119,828.96 is: 4,681,810.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,676,828.32 : 8,519,003.28 = 3,119,828.96 : x
  2. Step 2: Convert to fraction form
    5,676,828.32/8,519,003.28 = 3,119,828.96/x
  3. Step 3: Cross multiply
    5,676,828.32x = 8,519,003.28 × 3,119,828.96
  4. Step 4: Simplify right side
    5,676,828.32x = 26,577,833,143,278.99
  5. Step 5: Solve for x
    x = 26,577,833,143,278.99/5,676,828.32
  6. Step 6: Final answer
    x = 4,681,810.27

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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.