Home / 2,185,639.20-3,278,458.80-1,471,802.40

Finding the Fourth Proportional to 2,185,639.20, 3,278,458.80 and 1,471,802.40

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Solution

The fourth proportional to 2,185,639.20, 3,278,458.80 and 1,471,802.40 is: 2,207,703.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,185,639.20 : 3,278,458.80 = 1,471,802.40 : x
  2. Step 2: Convert to fraction form
    2,185,639.20/3,278,458.80 = 1,471,802.40/x
  3. Step 3: Cross multiply
    2,185,639.20x = 3,278,458.80 × 1,471,802.40
  4. Step 4: Simplify right side
    2,185,639.20x = 4,825,243,530,141.12
  5. Step 5: Solve for x
    x = 4,825,243,530,141.12/2,185,639.20
  6. Step 6: Final answer
    x = 2,207,703.60

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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.