Home / 2,815,196.79-4,202,193.02-2,418,387.51

Finding the Fourth Proportional to 2,815,196.79, 4,202,193.02 and 2,418,387.51

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Solution

The fourth proportional to 2,815,196.79, 4,202,193.02 and 2,418,387.51 is: 3,609,883.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,815,196.79 : 4,202,193.02 = 2,418,387.51 : x
  2. Step 2: Convert to fraction form
    2,815,196.79/4,202,193.02 = 2,418,387.51/x
  3. Step 3: Cross multiply
    2,815,196.79x = 4,202,193.02 × 2,418,387.51
  4. Step 4: Simplify right side
    2,815,196.79x = 10,162,531,102,085.24
  5. Step 5: Solve for x
    x = 10,162,531,102,085.24/2,815,196.79
  6. Step 6: Final answer
    x = 3,609,883.02

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.