Home / 5,429,328.80-8,138,809.20-2,016,701.60

Finding the Fourth Proportional to 5,429,328.80, 8,138,809.20 and 2,016,701.60

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Solution

The fourth proportional to 5,429,328.80, 8,138,809.20 and 2,016,701.60 is: 3,023,126.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,429,328.80 : 8,138,809.20 = 2,016,701.60 : x
  2. Step 2: Convert to fraction form
    5,429,328.80/8,138,809.20 = 2,016,701.60/x
  3. Step 3: Cross multiply
    5,429,328.80x = 8,138,809.20 × 2,016,701.60
  4. Step 4: Simplify right side
    5,429,328.80x = 16,413,549,535,734.72
  5. Step 5: Solve for x
    x = 16,413,549,535,734.72/5,429,328.80
  6. Step 6: Final answer
    x = 3,023,126.82

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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.