Home / 1,457,003.80-2,185,505.70-1,447,672.60

Finding the Fourth Proportional to 1,457,003.80, 2,185,505.70 and 1,447,672.60

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Solution

The fourth proportional to 1,457,003.80, 2,185,505.70 and 1,447,672.60 is: 2,171,508.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,457,003.80 : 2,185,505.70 = 1,447,672.60 : x
  2. Step 2: Convert to fraction form
    1,457,003.80/2,185,505.70 = 1,447,672.60/x
  3. Step 3: Cross multiply
    1,457,003.80x = 2,185,505.70 × 1,447,672.60
  4. Step 4: Simplify right side
    1,457,003.80x = 3,163,896,719,033.82
  5. Step 5: Solve for x
    x = 3,163,896,719,033.82/1,457,003.80
  6. Step 6: Final answer
    x = 2,171,508.90

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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.