Home / 2,780,685.20-4,171,027.80-1,363,509.20

Finding the Fourth Proportional to 2,780,685.20, 4,171,027.80 and 1,363,509.20

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Solution

The fourth proportional to 2,780,685.20, 4,171,027.80 and 1,363,509.20 is: 2,045,263.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,780,685.20 : 4,171,027.80 = 1,363,509.20 : x
  2. Step 2: Convert to fraction form
    2,780,685.20/4,171,027.80 = 1,363,509.20/x
  3. Step 3: Cross multiply
    2,780,685.20x = 4,171,027.80 × 1,363,509.20
  4. Step 4: Simplify right side
    2,780,685.20x = 5,687,234,778,755.76
  5. Step 5: Solve for x
    x = 5,687,234,778,755.76/2,780,685.20
  6. Step 6: Final answer
    x = 2,045,263.80

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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.