Home / 5,259,815.60-7,889,723.40-3,842,639.60

Finding the Fourth Proportional to 5,259,815.60, 7,889,723.40 and 3,842,639.60

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Solution

The fourth proportional to 5,259,815.60, 7,889,723.40 and 3,842,639.60 is: 5,763,959.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,259,815.60 : 7,889,723.40 = 3,842,639.60 : x
  2. Step 2: Convert to fraction form
    5,259,815.60/7,889,723.40 = 3,842,639.60/x
  3. Step 3: Cross multiply
    5,259,815.60x = 7,889,723.40 × 3,842,639.60
  4. Step 4: Simplify right side
    5,259,815.60x = 30,317,363,569,886.64
  5. Step 5: Solve for x
    x = 30,317,363,569,886.64/5,259,815.60
  6. Step 6: Final answer
    x = 5,763,959.40

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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.