Home / 2,891,520.50-3,990,385.78-1,602,240.26

Finding the Fourth Proportional to 2,891,520.50, 3,990,385.78 and 1,602,240.26

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Solution

The fourth proportional to 2,891,520.50, 3,990,385.78 and 1,602,240.26 is: 2,211,140.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,891,520.50 : 3,990,385.78 = 1,602,240.26 : x
  2. Step 2: Convert to fraction form
    2,891,520.50/3,990,385.78 = 1,602,240.26/x
  3. Step 3: Cross multiply
    2,891,520.50x = 3,990,385.78 × 1,602,240.26
  4. Step 4: Simplify right side
    2,891,520.50x = 6,393,556,749,647.50
  5. Step 5: Solve for x
    x = 6,393,556,749,647.50/2,891,520.50
  6. Step 6: Final answer
    x = 2,211,140.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.