Home / 2,528,819.20-3,793,228.80-1,330,278.40

Finding the Fourth Proportional to 2,528,819.20, 3,793,228.80 and 1,330,278.40

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Solution

The fourth proportional to 2,528,819.20, 3,793,228.80 and 1,330,278.40 is: 1,995,417.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,528,819.20 : 3,793,228.80 = 1,330,278.40 : x
  2. Step 2: Convert to fraction form
    2,528,819.20/3,793,228.80 = 1,330,278.40/x
  3. Step 3: Cross multiply
    2,528,819.20x = 3,793,228.80 × 1,330,278.40
  4. Step 4: Simplify right side
    2,528,819.20x = 5,046,050,338,897.92
  5. Step 5: Solve for x
    x = 5,046,050,338,897.92/2,528,819.20
  6. Step 6: Final answer
    x = 1,995,417.60

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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.