Home / 4,779,430.60-7,177,440.30-2,539,942.60

Finding the Fourth Proportional to 4,779,430.60, 7,177,440.30 and 2,539,942.60

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Solution

The fourth proportional to 4,779,430.60, 7,177,440.30 and 2,539,942.60 is: 3,814,321.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,779,430.60 : 7,177,440.30 = 2,539,942.60 : x
  2. Step 2: Convert to fraction form
    4,779,430.60/7,177,440.30 = 2,539,942.60/x
  3. Step 3: Cross multiply
    4,779,430.60x = 7,177,440.30 × 2,539,942.60
  4. Step 4: Simplify right side
    4,779,430.60x = 18,230,286,376,926.78
  5. Step 5: Solve for x
    x = 18,230,286,376,926.78/4,779,430.60
  6. Step 6: Final answer
    x = 3,814,321.81

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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.