Home / 3,113,614.40-4,671,976.80-1,766,811.20

Finding the Fourth Proportional to 3,113,614.40, 4,671,976.80 and 1,766,811.20

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Solution

The fourth proportional to 3,113,614.40, 4,671,976.80 and 1,766,811.20 is: 2,651,099.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,113,614.40 : 4,671,976.80 = 1,766,811.20 : x
  2. Step 2: Convert to fraction form
    3,113,614.40/4,671,976.80 = 1,766,811.20/x
  3. Step 3: Cross multiply
    3,113,614.40x = 4,671,976.80 × 1,766,811.20
  4. Step 4: Simplify right side
    3,113,614.40x = 8,254,500,936,380.16
  5. Step 5: Solve for x
    x = 8,254,500,936,380.16/3,113,614.40
  6. Step 6: Final answer
    x = 2,651,099.29

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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.