Home / 2,398,948.66-3,308,406.38-1,990,403.70

Finding the Fourth Proportional to 2,398,948.66, 3,308,406.38 and 1,990,403.70

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Solution

The fourth proportional to 2,398,948.66, 3,308,406.38 and 1,990,403.70 is: 2,744,979.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,398,948.66 : 3,308,406.38 = 1,990,403.70 : x
  2. Step 2: Convert to fraction form
    2,398,948.66/3,308,406.38 = 1,990,403.70/x
  3. Step 3: Cross multiply
    2,398,948.66x = 3,308,406.38 × 1,990,403.70
  4. Step 4: Simplify right side
    2,398,948.66x = 6,585,064,299,855.61
  5. Step 5: Solve for x
    x = 6,585,064,299,855.61/2,398,948.66
  6. Step 6: Final answer
    x = 2,744,979.25

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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.