Home / 3,578,388.05-4,937,806.85-2,127,803.20

Finding the Fourth Proportional to 3,578,388.05, 4,937,806.85 and 2,127,803.20

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Solution

The fourth proportional to 3,578,388.05, 4,937,806.85 and 2,127,803.20 is: 2,936,149.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,578,388.05 : 4,937,806.85 = 2,127,803.20 : x
  2. Step 2: Convert to fraction form
    3,578,388.05/4,937,806.85 = 2,127,803.20/x
  3. Step 3: Cross multiply
    3,578,388.05x = 4,937,806.85 × 2,127,803.20
  4. Step 4: Simplify right side
    3,578,388.05x = 10,506,681,193,428.38
  5. Step 5: Solve for x
    x = 10,506,681,193,428.38/3,578,388.05
  6. Step 6: Final answer
    x = 2,936,149.19

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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.