Home / 1,994,786.92-2,990,184.98-715,046.28

Finding the Fourth Proportional to 1,994,786.92, 2,990,184.98 and 715,046.28

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Solution

The fourth proportional to 1,994,786.92, 2,990,184.98 and 715,046.28 is: 1,071,854.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,994,786.92 : 2,990,184.98 = 715,046.28 : x
  2. Step 2: Convert to fraction form
    1,994,786.92/2,990,184.98 = 715,046.28/x
  3. Step 3: Cross multiply
    1,994,786.92x = 2,990,184.98 × 715,046.28
  4. Step 4: Simplify right side
    1,994,786.92x = 2,138,120,646,460.87
  5. Step 5: Solve for x
    x = 2,138,120,646,460.87/1,994,786.92
  6. Step 6: Final answer
    x = 1,071,854.15

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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.