Home / 6,439,903.20-9,659,854.80-3,080,671.20

Finding the Fourth Proportional to 6,439,903.20, 9,659,854.80 and 3,080,671.20

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Solution

The fourth proportional to 6,439,903.20, 9,659,854.80 and 3,080,671.20 is: 4,621,006.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,439,903.20 : 9,659,854.80 = 3,080,671.20 : x
  2. Step 2: Convert to fraction form
    6,439,903.20/9,659,854.80 = 3,080,671.20/x
  3. Step 3: Cross multiply
    6,439,903.20x = 9,659,854.80 × 3,080,671.20
  4. Step 4: Simplify right side
    6,439,903.20x = 29,758,836,478,541.77
  5. Step 5: Solve for x
    x = 29,758,836,478,541.77/6,439,903.20
  6. Step 6: Final answer
    x = 4,621,006.80

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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.