Home / 3,114,136.56-4,668,961.95-1,913,578.05

Finding the Fourth Proportional to 3,114,136.56, 4,668,961.95 and 1,913,578.05

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Solution

The fourth proportional to 3,114,136.56, 4,668,961.95 and 1,913,578.05 is: 2,868,988.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,114,136.56 : 4,668,961.95 = 1,913,578.05 : x
  2. Step 2: Convert to fraction form
    3,114,136.56/4,668,961.95 = 1,913,578.05/x
  3. Step 3: Cross multiply
    3,114,136.56x = 4,668,961.95 × 1,913,578.05
  4. Step 4: Simplify right side
    3,114,136.56x = 8,934,423,103,805.20
  5. Step 5: Solve for x
    x = 8,934,423,103,805.20/3,114,136.56
  6. Step 6: Final answer
    x = 2,868,988.86

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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.