Home / 3,534,143.85-4,876,988.01-2,159,786.88

Finding the Fourth Proportional to 3,534,143.85, 4,876,988.01 and 2,159,786.88

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Solution

The fourth proportional to 3,534,143.85, 4,876,988.01 and 2,159,786.88 is: 2,980,426.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,534,143.85 : 4,876,988.01 = 2,159,786.88 : x
  2. Step 2: Convert to fraction form
    3,534,143.85/4,876,988.01 = 2,159,786.88/x
  3. Step 3: Cross multiply
    3,534,143.85x = 4,876,988.01 × 2,159,786.88
  4. Step 4: Simplify right side
    3,534,143.85x = 10,533,254,717,915.31
  5. Step 5: Solve for x
    x = 10,533,254,717,915.31/3,534,143.85
  6. Step 6: Final answer
    x = 2,980,426.14

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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.