Home / 1,815,862.60-2,723,793.90-1,178,133.40

Finding the Fourth Proportional to 1,815,862.60, 2,723,793.90 and 1,178,133.40

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Solution

The fourth proportional to 1,815,862.60, 2,723,793.90 and 1,178,133.40 is: 1,767,200.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,815,862.60 : 2,723,793.90 = 1,178,133.40 : x
  2. Step 2: Convert to fraction form
    1,815,862.60/2,723,793.90 = 1,178,133.40/x
  3. Step 3: Cross multiply
    1,815,862.60x = 2,723,793.90 × 1,178,133.40
  4. Step 4: Simplify right side
    1,815,862.60x = 3,208,992,568,306.26
  5. Step 5: Solve for x
    x = 3,208,992,568,306.26/1,815,862.60
  6. Step 6: Final answer
    x = 1,767,200.10

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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.