Home / 5,154,764.64-7,732,045.84-2,080,673.72

Finding the Fourth Proportional to 5,154,764.64, 7,732,045.84 and 2,080,673.72

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Solution

The fourth proportional to 5,154,764.64, 7,732,045.84 and 2,080,673.72 is: 3,120,969.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,154,764.64 : 7,732,045.84 = 2,080,673.72 : x
  2. Step 2: Convert to fraction form
    5,154,764.64/7,732,045.84 = 2,080,673.72/x
  3. Step 3: Cross multiply
    5,154,764.64x = 7,732,045.84 × 2,080,673.72
  4. Step 4: Simplify right side
    5,154,764.64x = 16,087,864,581,123.32
  5. Step 5: Solve for x
    x = 16,087,864,581,123.32/5,154,764.64
  6. Step 6: Final answer
    x = 3,120,969.76

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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.