Home / 2,666,438.65-3,679,682.94-1,505,129.35

Finding the Fourth Proportional to 2,666,438.65, 3,679,682.94 and 1,505,129.35

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Solution

The fourth proportional to 2,666,438.65, 3,679,682.94 and 1,505,129.35 is: 2,077,077.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,666,438.65 : 3,679,682.94 = 1,505,129.35 : x
  2. Step 2: Convert to fraction form
    2,666,438.65/3,679,682.94 = 1,505,129.35/x
  3. Step 3: Cross multiply
    2,666,438.65x = 3,679,682.94 × 1,505,129.35
  4. Step 4: Simplify right side
    2,666,438.65x = 5,538,398,773,289.87
  5. Step 5: Solve for x
    x = 5,538,398,773,289.87/2,666,438.65
  6. Step 6: Final answer
    x = 2,077,077.15

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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.