Home / 3,143,861.30-4,338,552.57-1,748,442.45

Finding the Fourth Proportional to 3,143,861.30, 4,338,552.57 and 1,748,442.45

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Solution

The fourth proportional to 3,143,861.30, 4,338,552.57 and 1,748,442.45 is: 2,412,863.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,143,861.30 : 4,338,552.57 = 1,748,442.45 : x
  2. Step 2: Convert to fraction form
    3,143,861.30/4,338,552.57 = 1,748,442.45/x
  3. Step 3: Cross multiply
    3,143,861.30x = 4,338,552.57 × 1,748,442.45
  4. Step 4: Simplify right side
    3,143,861.30x = 7,585,709,494,657.51
  5. Step 5: Solve for x
    x = 7,585,709,494,657.51/3,143,861.30
  6. Step 6: Final answer
    x = 2,412,863.92

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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.