Home / 2,156,512.84-2,975,979.27-1,189,703.32

Finding the Fourth Proportional to 2,156,512.84, 2,975,979.27 and 1,189,703.32

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Solution

The fourth proportional to 2,156,512.84, 2,975,979.27 and 1,189,703.32 is: 1,641,785.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,156,512.84 : 2,975,979.27 = 1,189,703.32 : x
  2. Step 2: Convert to fraction form
    2,156,512.84/2,975,979.27 = 1,189,703.32/x
  3. Step 3: Cross multiply
    2,156,512.84x = 2,975,979.27 × 1,189,703.32
  4. Step 4: Simplify right side
    2,156,512.84x = 3,540,532,417,770.18
  5. Step 5: Solve for x
    x = 3,540,532,417,770.18/2,156,512.84
  6. Step 6: Final answer
    x = 1,641,785.92

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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.