Home / 3,550,709.40-5,329,404.90-1,869,019.80

Finding the Fourth Proportional to 3,550,709.40, 5,329,404.90 and 1,869,019.80

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Solution

The fourth proportional to 3,550,709.40, 5,329,404.90 and 1,869,019.80 is: 2,805,288.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,550,709.40 : 5,329,404.90 = 1,869,019.80 : x
  2. Step 2: Convert to fraction form
    3,550,709.40/5,329,404.90 = 1,869,019.80/x
  3. Step 3: Cross multiply
    3,550,709.40x = 5,329,404.90 × 1,869,019.80
  4. Step 4: Simplify right side
    3,550,709.40x = 9,960,763,280,317.02
  5. Step 5: Solve for x
    x = 9,960,763,280,317.02/3,550,709.40
  6. Step 6: Final answer
    x = 2,805,288.23

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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.