Home / 4,779,020.10-7,156,720.35-3,172,887.30

Finding the Fourth Proportional to 4,779,020.10, 7,156,720.35 and 3,172,887.30

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Solution

The fourth proportional to 4,779,020.10, 7,156,720.35 and 3,172,887.30 is: 4,751,490.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,779,020.10 : 7,156,720.35 = 3,172,887.30 : x
  2. Step 2: Convert to fraction form
    4,779,020.10/7,156,720.35 = 3,172,887.30/x
  3. Step 3: Cross multiply
    4,779,020.10x = 7,156,720.35 × 3,172,887.30
  4. Step 4: Simplify right side
    4,779,020.10x = 22,707,467,108,166.55
  5. Step 5: Solve for x
    x = 22,707,467,108,166.55/4,779,020.10
  6. Step 6: Final answer
    x = 4,751,490.19

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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.