Home / 2,520,621.38-3,780,934.32-1,080,370.13

Finding the Fourth Proportional to 2,520,621.38, 3,780,934.32 and 1,080,370.13

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Solution

The fourth proportional to 2,520,621.38, 3,780,934.32 and 1,080,370.13 is: 1,620,556.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,520,621.38 : 3,780,934.32 = 1,080,370.13 : x
  2. Step 2: Convert to fraction form
    2,520,621.38/3,780,934.32 = 1,080,370.13/x
  3. Step 3: Cross multiply
    2,520,621.38x = 3,780,934.32 × 1,080,370.13
  4. Step 4: Simplify right side
    2,520,621.38x = 4,084,808,483,915.19
  5. Step 5: Solve for x
    x = 4,084,808,483,915.19/2,520,621.38
  6. Step 6: Final answer
    x = 1,620,556.16

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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.