Home / 7,027,410.60-10,541,115.90-1,978,721.10

Finding the Fourth Proportional to 7,027,410.60, 10,541,115.90 and 1,978,721.10

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Solution

The fourth proportional to 7,027,410.60, 10,541,115.90 and 1,978,721.10 is: 2,968,081.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,027,410.60 : 10,541,115.90 = 1,978,721.10 : x
  2. Step 2: Convert to fraction form
    7,027,410.60/10,541,115.90 = 1,978,721.10/x
  3. Step 3: Cross multiply
    7,027,410.60x = 10,541,115.90 × 1,978,721.10
  4. Step 4: Simplify right side
    7,027,410.60x = 20,857,928,448,875.49
  5. Step 5: Solve for x
    x = 20,857,928,448,875.49/7,027,410.60
  6. Step 6: Final answer
    x = 2,968,081.65

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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.