Home / 2,129,864.12-2,939,226.72-1,163,001.16

Finding the Fourth Proportional to 2,129,864.12, 2,939,226.72 and 1,163,001.16

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Solution

The fourth proportional to 2,129,864.12, 2,939,226.72 and 1,163,001.16 is: 1,604,949.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,129,864.12 : 2,939,226.72 = 1,163,001.16 : x
  2. Step 2: Convert to fraction form
    2,129,864.12/2,939,226.72 = 1,163,001.16/x
  3. Step 3: Cross multiply
    2,129,864.12x = 2,939,226.72 × 1,163,001.16
  4. Step 4: Simplify right side
    2,129,864.12x = 3,418,324,084,863.00
  5. Step 5: Solve for x
    x = 3,418,324,084,863.00/2,129,864.12
  6. Step 6: Final answer
    x = 1,604,949.37

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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.