Home / 1,534,638.28-2,117,128.98-1,463,487.88

Finding the Fourth Proportional to 1,534,638.28, 2,117,128.98 and 1,463,487.88

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Solution

The fourth proportional to 1,534,638.28, 2,117,128.98 and 1,463,487.88 is: 2,018,972.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,534,638.28 : 2,117,128.98 = 1,463,487.88 : x
  2. Step 2: Convert to fraction form
    1,534,638.28/2,117,128.98 = 1,463,487.88/x
  3. Step 3: Cross multiply
    1,534,638.28x = 2,117,128.98 × 1,463,487.88
  4. Step 4: Simplify right side
    1,534,638.28x = 3,098,392,602,626.76
  5. Step 5: Solve for x
    x = 3,098,392,602,626.76/1,534,638.28
  6. Step 6: Final answer
    x = 2,018,972.58

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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.