Home / 1,581,228.81-2,182,096.67-856,076.72

Finding the Fourth Proportional to 1,581,228.81, 2,182,096.67 and 856,076.72

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Solution

The fourth proportional to 1,581,228.81, 2,182,096.67 and 856,076.72 is: 1,181,386.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581,228.81 : 2,182,096.67 = 856,076.72 : x
  2. Step 2: Convert to fraction form
    1,581,228.81/2,182,096.67 = 856,076.72/x
  3. Step 3: Cross multiply
    1,581,228.81x = 2,182,096.67 × 856,076.72
  4. Step 4: Simplify right side
    1,581,228.81x = 1,868,042,144,785.66
  5. Step 5: Solve for x
    x = 1,868,042,144,785.66/1,581,228.81
  6. Step 6: Final answer
    x = 1,181,386.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.