Home / 3,161,505.34-4,742,261.43-1,479,789.82

Finding the Fourth Proportional to 3,161,505.34, 4,742,261.43 and 1,479,789.82

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Solution

The fourth proportional to 3,161,505.34, 4,742,261.43 and 1,479,789.82 is: 2,219,686.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,161,505.34 : 4,742,261.43 = 1,479,789.82 : x
  2. Step 2: Convert to fraction form
    3,161,505.34/4,742,261.43 = 1,479,789.82/x
  3. Step 3: Cross multiply
    3,161,505.34x = 4,742,261.43 × 1,479,789.82
  4. Step 4: Simplify right side
    3,161,505.34x = 7,017,550,187,892.64
  5. Step 5: Solve for x
    x = 7,017,550,187,892.64/3,161,505.34
  6. Step 6: Final answer
    x = 2,219,686.33

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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.