Home / 2,165,707.54-2,988,943.50-1,235,644.30

Finding the Fourth Proportional to 2,165,707.54, 2,988,943.50 and 1,235,644.30

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Solution

The fourth proportional to 2,165,707.54, 2,988,943.50 and 1,235,644.30 is: 1,705,341.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,165,707.54 : 2,988,943.50 = 1,235,644.30 : x
  2. Step 2: Convert to fraction form
    2,165,707.54/2,988,943.50 = 1,235,644.30/x
  3. Step 3: Cross multiply
    2,165,707.54x = 2,988,943.50 × 1,235,644.30
  4. Step 4: Simplify right side
    2,165,707.54x = 3,693,270,998,797.05
  5. Step 5: Solve for x
    x = 3,693,270,998,797.05/2,165,707.54
  6. Step 6: Final answer
    x = 1,705,341.52

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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.