Home / 5,487,139.20-8,230,708.80-3,219,657.60

Finding the Fourth Proportional to 5,487,139.20, 8,230,708.80 and 3,219,657.60

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Solution

The fourth proportional to 5,487,139.20, 8,230,708.80 and 3,219,657.60 is: 4,829,486.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,487,139.20 : 8,230,708.80 = 3,219,657.60 : x
  2. Step 2: Convert to fraction form
    5,487,139.20/8,230,708.80 = 3,219,657.60/x
  3. Step 3: Cross multiply
    5,487,139.20x = 8,230,708.80 × 3,219,657.60
  4. Step 4: Simplify right side
    5,487,139.20x = 26,500,064,141,306.88
  5. Step 5: Solve for x
    x = 26,500,064,141,306.88/5,487,139.20
  6. Step 6: Final answer
    x = 4,829,486.40

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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.