Home / 2,088,140.20-3,138,891.90-1,940,223.40

Finding the Fourth Proportional to 2,088,140.20, 3,138,891.90 and 1,940,223.40

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Solution

The fourth proportional to 2,088,140.20, 3,138,891.90 and 1,940,223.40 is: 2,916,543.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,088,140.20 : 3,138,891.90 = 1,940,223.40 : x
  2. Step 2: Convert to fraction form
    2,088,140.20/3,138,891.90 = 1,940,223.40/x
  3. Step 3: Cross multiply
    2,088,140.20x = 3,138,891.90 × 1,940,223.40
  4. Step 4: Simplify right side
    2,088,140.20x = 6,090,151,514,450.46
  5. Step 5: Solve for x
    x = 6,090,151,514,450.46/2,088,140.20
  6. Step 6: Final answer
    x = 2,916,543.40

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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.