Home / 2,790,178.74-4,185,282.21-870,929.06

Finding the Fourth Proportional to 2,790,178.74, 4,185,282.21 and 870,929.06

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Solution

The fourth proportional to 2,790,178.74, 4,185,282.21 and 870,929.06 is: 1,306,398.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,790,178.74 : 4,185,282.21 = 870,929.06 : x
  2. Step 2: Convert to fraction form
    2,790,178.74/4,185,282.21 = 870,929.06/x
  3. Step 3: Cross multiply
    2,790,178.74x = 4,185,282.21 × 870,929.06
  4. Step 4: Simplify right side
    2,790,178.74x = 3,645,083,913,086.22
  5. Step 5: Solve for x
    x = 3,645,083,913,086.22/2,790,178.74
  6. Step 6: Final answer
    x = 1,306,398.00

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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.