Home / 2,042,915.88-2,818,549.10-1,318,245.23

Finding the Fourth Proportional to 2,042,915.88, 2,818,549.10 and 1,318,245.23

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Solution

The fourth proportional to 2,042,915.88, 2,818,549.10 and 1,318,245.23 is: 1,818,742.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,042,915.88 : 2,818,549.10 = 1,318,245.23 : x
  2. Step 2: Convert to fraction form
    2,042,915.88/2,818,549.10 = 1,318,245.23/x
  3. Step 3: Cross multiply
    2,042,915.88x = 2,818,549.10 × 1,318,245.23
  4. Step 4: Simplify right side
    2,042,915.88x = 3,715,538,916,937.78
  5. Step 5: Solve for x
    x = 3,715,538,916,937.78/2,042,915.88
  6. Step 6: Final answer
    x = 1,818,742.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.