Home / 2,674,138.14-4,011,488.40-780,884.90

Finding the Fourth Proportional to 2,674,138.14, 4,011,488.40 and 780,884.90

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Solution

The fourth proportional to 2,674,138.14, 4,011,488.40 and 780,884.90 is: 1,171,409.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,674,138.14 : 4,011,488.40 = 780,884.90 : x
  2. Step 2: Convert to fraction form
    2,674,138.14/4,011,488.40 = 780,884.90/x
  3. Step 3: Cross multiply
    2,674,138.14x = 4,011,488.40 × 780,884.90
  4. Step 4: Simplify right side
    2,674,138.14x = 3,132,510,718,085.16
  5. Step 5: Solve for x
    x = 3,132,510,718,085.16/2,674,138.14
  6. Step 6: Final answer
    x = 1,171,409.46

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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.