Home / 2,660,909.13-3,991,437.41-767,650.50

Finding the Fourth Proportional to 2,660,909.13, 3,991,437.41 and 767,650.50

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Solution

The fourth proportional to 2,660,909.13, 3,991,437.41 and 767,650.50 is: 1,151,497.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,660,909.13 : 3,991,437.41 = 767,650.50 : x
  2. Step 2: Convert to fraction form
    2,660,909.13/3,991,437.41 = 767,650.50/x
  3. Step 3: Cross multiply
    2,660,909.13x = 3,991,437.41 × 767,650.50
  4. Step 4: Simplify right side
    2,660,909.13x = 3,064,028,919,666.95
  5. Step 5: Solve for x
    x = 3,064,028,919,666.95/2,660,909.13
  6. Step 6: Final answer
    x = 1,151,497.01

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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.