Home / 3,000,378-4,140,560.52-1,642,221.84

Finding the Fourth Proportional to 3,000,378, 4,140,560.52 and 1,642,221.84

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Solution

The fourth proportional to 3,000,378, 4,140,560.52 and 1,642,221.84 is: 2,266,287.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,000,378 : 4,140,560.52 = 1,642,221.84 : x
  2. Step 2: Convert to fraction form
    3,000,378/4,140,560.52 = 1,642,221.84/x
  3. Step 3: Cross multiply
    3,000,378x = 4,140,560.52 × 1,642,221.84
  4. Step 4: Simplify right side
    3,000,378x = 6,799,718,915,785.76
  5. Step 5: Solve for x
    x = 6,799,718,915,785.76/3,000,378
  6. Step 6: Final answer
    x = 2,266,287.42

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1.5x scale

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.