Home / 2,688,251.90-4,030,722.41-1,320,285.83

Finding the Fourth Proportional to 2,688,251.90, 4,030,722.41 and 1,320,285.83

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Solution

The fourth proportional to 2,688,251.90, 4,030,722.41 and 1,320,285.83 is: 1,979,615.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688,251.90 : 4,030,722.41 = 1,320,285.83 : x
  2. Step 2: Convert to fraction form
    2,688,251.90/4,030,722.41 = 1,320,285.83/x
  3. Step 3: Cross multiply
    2,688,251.90x = 4,030,722.41 × 1,320,285.83
  4. Step 4: Simplify right side
    2,688,251.90x = 5,321,705,655,831.41
  5. Step 5: Solve for x
    x = 5,321,705,655,831.41/2,688,251.90
  6. Step 6: Final answer
    x = 1,979,615.70

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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.