Home / 2,129,833.19-2,939,158.35-1,162,964.13

Finding the Fourth Proportional to 2,129,833.19, 2,939,158.35 and 1,162,964.13

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Solution

The fourth proportional to 2,129,833.19, 2,939,158.35 and 1,162,964.13 is: 1,604,884.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,129,833.19 : 2,939,158.35 = 1,162,964.13 : x
  2. Step 2: Convert to fraction form
    2,129,833.19/2,939,158.35 = 1,162,964.13/x
  3. Step 3: Cross multiply
    2,129,833.19x = 2,939,158.35 × 1,162,964.13
  4. Step 4: Simplify right side
    2,129,833.19x = 3,418,135,733,439.99
  5. Step 5: Solve for x
    x = 3,418,135,733,439.99/2,129,833.19
  6. Step 6: Final answer
    x = 1,604,884.25

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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.