Home / 5,078,041.34-7,007,696.29-2,902,631.21

Finding the Fourth Proportional to 5,078,041.34, 7,007,696.29 and 2,902,631.21

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Solution

The fourth proportional to 5,078,041.34, 7,007,696.29 and 2,902,631.21 is: 4,005,630.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,078,041.34 : 7,007,696.29 = 2,902,631.21 : x
  2. Step 2: Convert to fraction form
    5,078,041.34/7,007,696.29 = 2,902,631.21/x
  3. Step 3: Cross multiply
    5,078,041.34x = 7,007,696.29 × 2,902,631.21
  4. Step 4: Simplify right side
    5,078,041.34x = 20,340,757,919,260.15
  5. Step 5: Solve for x
    x = 20,340,757,919,260.15/5,078,041.34
  6. Step 6: Final answer
    x = 4,005,630.63

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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.