Home / 3,127,082.16-4,691,311.92-1,779,878.64

Finding the Fourth Proportional to 3,127,082.16, 4,691,311.92 and 1,779,878.64

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Solution

The fourth proportional to 3,127,082.16, 4,691,311.92 and 1,779,878.64 is: 2,670,209.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,127,082.16 : 4,691,311.92 = 1,779,878.64 : x
  2. Step 2: Convert to fraction form
    3,127,082.16/4,691,311.92 = 1,779,878.64/x
  3. Step 3: Cross multiply
    3,127,082.16x = 4,691,311.92 × 1,779,878.64
  4. Step 4: Simplify right side
    3,127,082.16x = 8,349,965,879,985.39
  5. Step 5: Solve for x
    x = 8,349,965,879,985.39/3,127,082.16
  6. Step 6: Final answer
    x = 2,670,209.94

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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.