Home / 3,937,817.28-5,434,191.08-2,126,981.28

Finding the Fourth Proportional to 3,937,817.28, 5,434,191.08 and 2,126,981.28

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Solution

The fourth proportional to 3,937,817.28, 5,434,191.08 and 2,126,981.28 is: 2,935,235.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,937,817.28 : 5,434,191.08 = 2,126,981.28 : x
  2. Step 2: Convert to fraction form
    3,937,817.28/5,434,191.08 = 2,126,981.28/x
  3. Step 3: Cross multiply
    3,937,817.28x = 5,434,191.08 × 2,126,981.28
  4. Step 4: Simplify right side
    3,937,817.28x = 11,558,422,699,102.98
  5. Step 5: Solve for x
    x = 11,558,422,699,102.98/3,937,817.28
  6. Step 6: Final answer
    x = 2,935,235.91

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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.