Home / 4,771,728.16-7,155,380.40-1,779,108.64

Finding the Fourth Proportional to 4,771,728.16, 7,155,380.40 and 1,779,108.64

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Solution

The fourth proportional to 4,771,728.16, 7,155,380.40 and 1,779,108.64 is: 2,667,838.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,771,728.16 : 7,155,380.40 = 1,779,108.64 : x
  2. Step 2: Convert to fraction form
    4,771,728.16/7,155,380.40 = 1,779,108.64/x
  3. Step 3: Cross multiply
    4,771,728.16x = 7,155,380.40 × 1,779,108.64
  4. Step 4: Simplify right side
    4,771,728.16x = 12,730,199,092,126.66
  5. Step 5: Solve for x
    x = 12,730,199,092,126.66/4,771,728.16
  6. Step 6: Final answer
    x = 2,667,838.29

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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.