Home / 3,984,591.84-5,974,812.48-1,424,820

Finding the Fourth Proportional to 3,984,591.84, 5,974,812.48 and 1,424,820

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Solution

The fourth proportional to 3,984,591.84, 5,974,812.48 and 1,424,820 is: 2,136,487.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,984,591.84 : 5,974,812.48 = 1,424,820 : x
  2. Step 2: Convert to fraction form
    3,984,591.84/5,974,812.48 = 1,424,820/x
  3. Step 3: Cross multiply
    3,984,591.84x = 5,974,812.48 × 1,424,820
  4. Step 4: Simplify right side
    3,984,591.84x = 8,513,032,317,753.60
  5. Step 5: Solve for x
    x = 8,513,032,317,753.60/3,984,591.84
  6. Step 6: Final answer
    x = 2,136,487.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.