Home / 2,709,043.20-4,063,435.20-911,750.40

Finding the Fourth Proportional to 2,709,043.20, 4,063,435.20 and 911,750.40

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Solution

The fourth proportional to 2,709,043.20, 4,063,435.20 and 911,750.40 is: 1,367,581.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,709,043.20 : 4,063,435.20 = 911,750.40 : x
  2. Step 2: Convert to fraction form
    2,709,043.20/4,063,435.20 = 911,750.40/x
  3. Step 3: Cross multiply
    2,709,043.20x = 4,063,435.20 × 911,750.40
  4. Step 4: Simplify right side
    2,709,043.20x = 3,704,838,668,974.08
  5. Step 5: Solve for x
    x = 3,704,838,668,974.08/2,709,043.20
  6. Step 6: Final answer
    x = 1,367,581.98

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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.