Home / 2,688,015.60-4,032,023.40-1,344,322.80

Finding the Fourth Proportional to 2,688,015.60, 4,032,023.40 and 1,344,322.80

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Solution

The fourth proportional to 2,688,015.60, 4,032,023.40 and 1,344,322.80 is: 2,016,484.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688,015.60 : 4,032,023.40 = 1,344,322.80 : x
  2. Step 2: Convert to fraction form
    2,688,015.60/4,032,023.40 = 1,344,322.80/x
  3. Step 3: Cross multiply
    2,688,015.60x = 4,032,023.40 × 1,344,322.80
  4. Step 4: Simplify right side
    2,688,015.60x = 5,420,340,986,753.52
  5. Step 5: Solve for x
    x = 5,420,340,986,753.52/2,688,015.60
  6. Step 6: Final answer
    x = 2,016,484.20

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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.