Home / 2,165,426.96-2,988,212.96-1,198,559.12

Finding the Fourth Proportional to 2,165,426.96, 2,988,212.96 and 1,198,559.12

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Solution

The fourth proportional to 2,165,426.96, 2,988,212.96 and 1,198,559.12 is: 1,653,969.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,165,426.96 : 2,988,212.96 = 1,198,559.12 : x
  2. Step 2: Convert to fraction form
    2,165,426.96/2,988,212.96 = 1,198,559.12/x
  3. Step 3: Cross multiply
    2,165,426.96x = 2,988,212.96 × 1,198,559.12
  4. Step 4: Simplify right side
    2,165,426.96x = 3,581,549,895,710.20
  5. Step 5: Solve for x
    x = 3,581,549,895,710.20/2,165,426.96
  6. Step 6: Final answer
    x = 1,653,969.38

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1.5x scale

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.