Home / 2,915,467.20-4,371,888.60-1,317,207.60

Finding the Fourth Proportional to 2,915,467.20, 4,371,888.60 and 1,317,207.60

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Solution

The fourth proportional to 2,915,467.20, 4,371,888.60 and 1,317,207.60 is: 1,975,218.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,915,467.20 : 4,371,888.60 = 1,317,207.60 : x
  2. Step 2: Convert to fraction form
    2,915,467.20/4,371,888.60 = 1,317,207.60/x
  3. Step 3: Cross multiply
    2,915,467.20x = 4,371,888.60 × 1,317,207.60
  4. Step 4: Simplify right side
    2,915,467.20x = 5,758,684,890,273.36
  5. Step 5: Solve for x
    x = 5,758,684,890,273.36/2,915,467.20
  6. Step 6: Final answer
    x = 1,975,218.55

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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.