Home / 3,937,968-5,434,398-2,127,132

Finding the Fourth Proportional to 3,937,968, 5,434,398 and 2,127,132

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Solution

The fourth proportional to 3,937,968, 5,434,398 and 2,127,132 is: 2,935,443.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,937,968 : 5,434,398 = 2,127,132 : x
  2. Step 2: Convert to fraction form
    3,937,968/5,434,398 = 2,127,132/x
  3. Step 3: Cross multiply
    3,937,968x = 5,434,398 × 2,127,132
  4. Step 4: Simplify right side
    3,937,968x = 11,559,681,886,536
  5. Step 5: Solve for x
    x = 11,559,681,886,536/3,937,968
  6. Step 6: Final answer
    x = 2,935,443.33

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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.