Home / 5,298,528.80-7,947,793.20-1,932,298.40

Finding the Fourth Proportional to 5,298,528.80, 7,947,793.20 and 1,932,298.40

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Solution

The fourth proportional to 5,298,528.80, 7,947,793.20 and 1,932,298.40 is: 2,898,447.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,298,528.80 : 7,947,793.20 = 1,932,298.40 : x
  2. Step 2: Convert to fraction form
    5,298,528.80/7,947,793.20 = 1,932,298.40/x
  3. Step 3: Cross multiply
    5,298,528.80x = 7,947,793.20 × 1,932,298.40
  4. Step 4: Simplify right side
    5,298,528.80x = 15,357,508,083,890.88
  5. Step 5: Solve for x
    x = 15,357,508,083,890.88/5,298,528.80
  6. Step 6: Final answer
    x = 2,898,447.60

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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.