Home / 2,688,648.76-4,033,760.12-866,977.07

Finding the Fourth Proportional to 2,688,648.76, 4,033,760.12 and 866,977.07

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Solution

The fourth proportional to 2,688,648.76, 4,033,760.12 and 866,977.07 is: 1,300,719.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688,648.76 : 4,033,760.12 = 866,977.07 : x
  2. Step 2: Convert to fraction form
    2,688,648.76/4,033,760.12 = 866,977.07/x
  3. Step 3: Cross multiply
    2,688,648.76x = 4,033,760.12 × 866,977.07
  4. Step 4: Simplify right side
    2,688,648.76x = 3,497,177,508,667.93
  5. Step 5: Solve for x
    x = 3,497,177,508,667.93/2,688,648.76
  6. Step 6: Final answer
    x = 1,300,719.36

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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.