Home / 2,891,903.65-3,990,827.42-1,602,827.26

Finding the Fourth Proportional to 2,891,903.65, 3,990,827.42 and 1,602,827.26

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Solution

The fourth proportional to 2,891,903.65, 3,990,827.42 and 1,602,827.26 is: 2,211,901.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,891,903.65 : 3,990,827.42 = 1,602,827.26 : x
  2. Step 2: Convert to fraction form
    2,891,903.65/3,990,827.42 = 1,602,827.26/x
  3. Step 3: Cross multiply
    2,891,903.65x = 3,990,827.42 × 1,602,827.26
  4. Step 4: Simplify right side
    2,891,903.65x = 6,396,606,978,731.47
  5. Step 5: Solve for x
    x = 6,396,606,978,731.47/2,891,903.65
  6. Step 6: Final answer
    x = 2,211,901.83

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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.