Home / 3,550,155.90-5,329,958.34-1,868,440.38

Finding the Fourth Proportional to 3,550,155.90, 5,329,958.34 and 1,868,440.38

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Solution

The fourth proportional to 3,550,155.90, 5,329,958.34 and 1,868,440.38 is: 2,805,147.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,550,155.90 : 5,329,958.34 = 1,868,440.38 : x
  2. Step 2: Convert to fraction form
    3,550,155.90/5,329,958.34 = 1,868,440.38/x
  3. Step 3: Cross multiply
    3,550,155.90x = 5,329,958.34 × 1,868,440.38
  4. Step 4: Simplify right side
    3,550,155.90x = 9,958,709,386,173.77
  5. Step 5: Solve for x
    x = 9,958,709,386,173.77/3,550,155.90
  6. Step 6: Final answer
    x = 2,805,147.06

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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.