Home / 5,718,974.47-7,890,211.82-3,655,198.10

Finding the Fourth Proportional to 5,718,974.47, 7,890,211.82 and 3,655,198.10

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Solution

The fourth proportional to 5,718,974.47, 7,890,211.82 and 3,655,198.10 is: 5,042,912.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,718,974.47 : 7,890,211.82 = 3,655,198.10 : x
  2. Step 2: Convert to fraction form
    5,718,974.47/7,890,211.82 = 3,655,198.10/x
  3. Step 3: Cross multiply
    5,718,974.47x = 7,890,211.82 × 3,655,198.10
  4. Step 4: Simplify right side
    5,718,974.47x = 28,840,287,281,925.07
  5. Step 5: Solve for x
    x = 28,840,287,281,925.07/5,718,974.47
  6. Step 6: Final answer
    x = 5,042,912.40

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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.