Home / 4,686,299.12-7,026,921.02-2,126,117.06

Finding the Fourth Proportional to 4,686,299.12, 7,026,921.02 and 2,126,117.06

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Solution

The fourth proportional to 4,686,299.12, 7,026,921.02 and 2,126,117.06 is: 3,188,028.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,686,299.12 : 7,026,921.02 = 2,126,117.06 : x
  2. Step 2: Convert to fraction form
    4,686,299.12/7,026,921.02 = 2,126,117.06/x
  3. Step 3: Cross multiply
    4,686,299.12x = 7,026,921.02 × 2,126,117.06
  4. Step 4: Simplify right side
    4,686,299.12x = 14,940,056,614,129.41
  5. Step 5: Solve for x
    x = 14,940,056,614,129.41/4,686,299.12
  6. Step 6: Final answer
    x = 3,188,028.81

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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.