Home / 2,165,353.92-2,988,152.16-1,198,463.64

Finding the Fourth Proportional to 2,165,353.92, 2,988,152.16 and 1,198,463.64

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Solution

The fourth proportional to 2,165,353.92, 2,988,152.16 and 1,198,463.64 is: 1,653,859.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,165,353.92 : 2,988,152.16 = 1,198,463.64 : x
  2. Step 2: Convert to fraction form
    2,165,353.92/2,988,152.16 = 1,198,463.64/x
  3. Step 3: Cross multiply
    2,165,353.92x = 2,988,152.16 × 1,198,463.64
  4. Step 4: Simplify right side
    2,165,353.92x = 3,581,191,714,547.46
  5. Step 5: Solve for x
    x = 3,581,191,714,547.46/2,165,353.92
  6. Step 6: Final answer
    x = 1,653,859.76

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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.