Home / 3,176,979.76-4,384,260.78-1,726,678.66

Finding the Fourth Proportional to 3,176,979.76, 4,384,260.78 and 1,726,678.66

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Solution

The fourth proportional to 3,176,979.76, 4,384,260.78 and 1,726,678.66 is: 2,382,832.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,176,979.76 : 4,384,260.78 = 1,726,678.66 : x
  2. Step 2: Convert to fraction form
    3,176,979.76/4,384,260.78 = 1,726,678.66/x
  3. Step 3: Cross multiply
    3,176,979.76x = 4,384,260.78 × 1,726,678.66
  4. Step 4: Simplify right side
    3,176,979.76x = 7,570,209,528,700.96
  5. Step 5: Solve for x
    x = 7,570,209,528,700.96/3,176,979.76
  6. Step 6: Final answer
    x = 2,382,832.16

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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.