Home / 2,180,423.22-3,008,953.62-1,213,553.76

Finding the Fourth Proportional to 2,180,423.22, 3,008,953.62 and 1,213,553.76

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Solution

The fourth proportional to 2,180,423.22, 3,008,953.62 and 1,213,553.76 is: 1,674,687.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,180,423.22 : 3,008,953.62 = 1,213,553.76 : x
  2. Step 2: Convert to fraction form
    2,180,423.22/3,008,953.62 = 1,213,553.76/x
  3. Step 3: Cross multiply
    2,180,423.22x = 3,008,953.62 × 1,213,553.76
  4. Step 4: Simplify right side
    2,180,423.22x = 3,651,526,979,216.61
  5. Step 5: Solve for x
    x = 3,651,526,979,216.61/2,180,423.22
  6. Step 6: Final answer
    x = 1,674,687.26

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1.5x scale

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.