Home / 2,099,754.32-3,150,130.20-679,809.68

Finding the Fourth Proportional to 2,099,754.32, 3,150,130.20 and 679,809.68

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Solution

The fourth proportional to 2,099,754.32, 3,150,130.20 and 679,809.68 is: 1,019,875.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,099,754.32 : 3,150,130.20 = 679,809.68 : x
  2. Step 2: Convert to fraction form
    2,099,754.32/3,150,130.20 = 679,809.68/x
  3. Step 3: Cross multiply
    2,099,754.32x = 3,150,130.20 × 679,809.68
  4. Step 4: Simplify right side
    2,099,754.32x = 2,141,489,003,220.34
  5. Step 5: Solve for x
    x = 2,141,489,003,220.34/2,099,754.32
  6. Step 6: Final answer
    x = 1,019,875.98

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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.