Home / 3,077,998.80-4,616,998.20-1,398,382.80

Finding the Fourth Proportional to 3,077,998.80, 4,616,998.20 and 1,398,382.80

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Solution

The fourth proportional to 3,077,998.80, 4,616,998.20 and 1,398,382.80 is: 2,097,574.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,077,998.80 : 4,616,998.20 = 1,398,382.80 : x
  2. Step 2: Convert to fraction form
    3,077,998.80/4,616,998.20 = 1,398,382.80/x
  3. Step 3: Cross multiply
    3,077,998.80x = 4,616,998.20 × 1,398,382.80
  4. Step 4: Simplify right side
    3,077,998.80x = 6,456,330,870,510.96
  5. Step 5: Solve for x
    x = 6,456,330,870,510.96/3,077,998.80
  6. Step 6: Final answer
    x = 2,097,574.20

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.