Home / 2,687,681.18-4,030,122.09-1,003,399.58

Finding the Fourth Proportional to 2,687,681.18, 4,030,122.09 and 1,003,399.58

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Solution

The fourth proportional to 2,687,681.18, 4,030,122.09 and 1,003,399.58 is: 1,504,576.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,687,681.18 : 4,030,122.09 = 1,003,399.58 : x
  2. Step 2: Convert to fraction form
    2,687,681.18/4,030,122.09 = 1,003,399.58/x
  3. Step 3: Cross multiply
    2,687,681.18x = 4,030,122.09 × 1,003,399.58
  4. Step 4: Simplify right side
    2,687,681.18x = 4,043,822,812,454.72
  5. Step 5: Solve for x
    x = 4,043,822,812,454.72/2,687,681.18
  6. Step 6: Final answer
    x = 1,504,576.82

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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.