Home / 5,209,876.65-7,814,105.55-1,371,377.64

Finding the Fourth Proportional to 5,209,876.65, 7,814,105.55 and 1,371,377.64

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Solution

The fourth proportional to 5,209,876.65, 7,814,105.55 and 1,371,377.64 is: 2,056,879.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,209,876.65 : 7,814,105.55 = 1,371,377.64 : x
  2. Step 2: Convert to fraction form
    5,209,876.65/7,814,105.55 = 1,371,377.64/x
  3. Step 3: Cross multiply
    5,209,876.65x = 7,814,105.55 × 1,371,377.64
  4. Step 4: Simplify right side
    5,209,876.65x = 10,716,089,627,869.90
  5. Step 5: Solve for x
    x = 10,716,089,627,869.90/5,209,876.65
  6. Step 6: Final answer
    x = 2,056,879.72

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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.