Home / 2,129,834.68-2,939,160.42-1,162,965.64

Finding the Fourth Proportional to 2,129,834.68, 2,939,160.42 and 1,162,965.64

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Solution

The fourth proportional to 2,129,834.68, 2,939,160.42 and 1,162,965.64 is: 1,604,886.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,129,834.68 : 2,939,160.42 = 1,162,965.64 : x
  2. Step 2: Convert to fraction form
    2,129,834.68/2,939,160.42 = 1,162,965.64/x
  3. Step 3: Cross multiply
    2,129,834.68x = 2,939,160.42 × 1,162,965.64
  4. Step 4: Simplify right side
    2,129,834.68x = 3,418,142,578,907.97
  5. Step 5: Solve for x
    x = 3,418,142,578,907.97/2,129,834.68
  6. Step 6: Final answer
    x = 1,604,886.34

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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.