Home / 5,143,035.12-7,715,071.08-1,356,779.76

Finding the Fourth Proportional to 5,143,035.12, 7,715,071.08 and 1,356,779.76

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Solution

The fourth proportional to 5,143,035.12, 7,715,071.08 and 1,356,779.76 is: 2,035,306.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,143,035.12 : 7,715,071.08 = 1,356,779.76 : x
  2. Step 2: Convert to fraction form
    5,143,035.12/7,715,071.08 = 1,356,779.76/x
  3. Step 3: Cross multiply
    5,143,035.12x = 7,715,071.08 × 1,356,779.76
  4. Step 4: Simplify right side
    5,143,035.12x = 10,467,652,288,305.34
  5. Step 5: Solve for x
    x = 10,467,652,288,305.34/5,143,035.12
  6. Step 6: Final answer
    x = 2,035,306.40

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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.