Home / 2,136,073.86-2,947,198.98-1,217,968.14

Finding the Fourth Proportional to 2,136,073.86, 2,947,198.98 and 1,217,968.14

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Solution

The fourth proportional to 2,136,073.86, 2,947,198.98 and 1,217,968.14 is: 1,680,463.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,136,073.86 : 2,947,198.98 = 1,217,968.14 : x
  2. Step 2: Convert to fraction form
    2,136,073.86/2,947,198.98 = 1,217,968.14/x
  3. Step 3: Cross multiply
    2,136,073.86x = 2,947,198.98 × 1,217,968.14
  4. Step 4: Simplify right side
    2,136,073.86x = 3,589,594,459,880.50
  5. Step 5: Solve for x
    x = 3,589,594,459,880.50/2,136,073.86
  6. Step 6: Final answer
    x = 1,680,463.64

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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.