Home / 1,908,337.80-2,862,506.70-1,815,025.80

Finding the Fourth Proportional to 1,908,337.80, 2,862,506.70 and 1,815,025.80

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Solution

The fourth proportional to 1,908,337.80, 2,862,506.70 and 1,815,025.80 is: 2,722,538.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,908,337.80 : 2,862,506.70 = 1,815,025.80 : x
  2. Step 2: Convert to fraction form
    1,908,337.80/2,862,506.70 = 1,815,025.80/x
  3. Step 3: Cross multiply
    1,908,337.80x = 2,862,506.70 × 1,815,025.80
  4. Step 4: Simplify right side
    1,908,337.80x = 5,195,523,513,172.86
  5. Step 5: Solve for x
    x = 5,195,523,513,172.86/1,908,337.80
  6. Step 6: Final answer
    x = 2,722,538.70

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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.