Home / 2,900,979.17-4,351,468.79-1,007,722.43

Finding the Fourth Proportional to 2,900,979.17, 4,351,468.79 and 1,007,722.43

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Solution

The fourth proportional to 2,900,979.17, 4,351,468.79 and 1,007,722.43 is: 1,511,583.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,900,979.17 : 4,351,468.79 = 1,007,722.43 : x
  2. Step 2: Convert to fraction form
    2,900,979.17/4,351,468.79 = 1,007,722.43/x
  3. Step 3: Cross multiply
    2,900,979.17x = 4,351,468.79 × 1,007,722.43
  4. Step 4: Simplify right side
    2,900,979.17x = 4,385,072,676,332.00
  5. Step 5: Solve for x
    x = 4,385,072,676,332.00/2,900,979.17
  6. Step 6: Final answer
    x = 1,511,583.65

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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.