Home / 3,780,870.40-5,671,305.60-2,080,259.20

Finding the Fourth Proportional to 3,780,870.40, 5,671,305.60 and 2,080,259.20

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Solution

The fourth proportional to 3,780,870.40, 5,671,305.60 and 2,080,259.20 is: 3,120,388.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,780,870.40 : 5,671,305.60 = 2,080,259.20 : x
  2. Step 2: Convert to fraction form
    3,780,870.40/5,671,305.60 = 2,080,259.20/x
  3. Step 3: Cross multiply
    3,780,870.40x = 5,671,305.60 × 2,080,259.20
  4. Step 4: Simplify right side
    3,780,870.40x = 11,797,785,650,411.52
  5. Step 5: Solve for x
    x = 11,797,785,650,411.52/3,780,870.40
  6. Step 6: Final answer
    x = 3,120,388.80

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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.