Home / 2,768,687.80-4,152,254.10-876,009.40

Finding the Fourth Proportional to 2,768,687.80, 4,152,254.10 and 876,009.40

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Solution

The fourth proportional to 2,768,687.80, 4,152,254.10 and 876,009.40 is: 1,313,768.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,768,687.80 : 4,152,254.10 = 876,009.40 : x
  2. Step 2: Convert to fraction form
    2,768,687.80/4,152,254.10 = 876,009.40/x
  3. Step 3: Cross multiply
    2,768,687.80x = 4,152,254.10 × 876,009.40
  4. Step 4: Simplify right side
    2,768,687.80x = 3,637,413,622,788.54
  5. Step 5: Solve for x
    x = 3,637,413,622,788.54/2,768,687.80
  6. Step 6: Final answer
    x = 1,313,768.07

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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.