Home / 2,378,345.49-3,282,125.70-1,290,617.29

Finding the Fourth Proportional to 2,378,345.49, 3,282,125.70 and 1,290,617.29

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Solution

The fourth proportional to 2,378,345.49, 3,282,125.70 and 1,290,617.29 is: 1,781,056.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,378,345.49 : 3,282,125.70 = 1,290,617.29 : x
  2. Step 2: Convert to fraction form
    2,378,345.49/3,282,125.70 = 1,290,617.29/x
  3. Step 3: Cross multiply
    2,378,345.49x = 3,282,125.70 × 1,290,617.29
  4. Step 4: Simplify right side
    2,378,345.49x = 4,235,968,176,202.09
  5. Step 5: Solve for x
    x = 4,235,968,176,202.09/2,378,345.49
  6. Step 6: Final answer
    x = 1,781,056.70

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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.