Home / 5,209,837.90-7,814,047.42-1,371,338.86

Finding the Fourth Proportional to 5,209,837.90, 7,814,047.42 and 1,371,338.86

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Solution

The fourth proportional to 5,209,837.90, 7,814,047.42 and 1,371,338.86 is: 2,056,821.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,209,837.90 : 7,814,047.42 = 1,371,338.86 : x
  2. Step 2: Convert to fraction form
    5,209,837.90/7,814,047.42 = 1,371,338.86/x
  3. Step 3: Cross multiply
    5,209,837.90x = 7,814,047.42 × 1,371,338.86
  4. Step 4: Simplify right side
    5,209,837.90x = 10,715,706,880,928.74
  5. Step 5: Solve for x
    x = 10,715,706,880,928.74/5,209,837.90
  6. Step 6: Final answer
    x = 2,056,821.55

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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.