Home / 5,126,645.60-7,689,968.40-1,340,511.20

Finding the Fourth Proportional to 5,126,645.60, 7,689,968.40 and 1,340,511.20

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Solution

The fourth proportional to 5,126,645.60, 7,689,968.40 and 1,340,511.20 is: 2,010,766.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,126,645.60 : 7,689,968.40 = 1,340,511.20 : x
  2. Step 2: Convert to fraction form
    5,126,645.60/7,689,968.40 = 1,340,511.20/x
  3. Step 3: Cross multiply
    5,126,645.60x = 7,689,968.40 × 1,340,511.20
  4. Step 4: Simplify right side
    5,126,645.60x = 10,308,488,767,846.08
  5. Step 5: Solve for x
    x = 10,308,488,767,846.08/5,126,645.60
  6. Step 6: Final answer
    x = 2,010,766.80

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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.