Home / 2,141,010.40-3,211,515.60-2,126,264.80

Finding the Fourth Proportional to 2,141,010.40, 3,211,515.60 and 2,126,264.80

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Solution

The fourth proportional to 2,141,010.40, 3,211,515.60 and 2,126,264.80 is: 3,189,397.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,141,010.40 : 3,211,515.60 = 2,126,264.80 : x
  2. Step 2: Convert to fraction form
    2,141,010.40/3,211,515.60 = 2,126,264.80/x
  3. Step 3: Cross multiply
    2,141,010.40x = 3,211,515.60 × 2,126,264.80
  4. Step 4: Simplify right side
    2,141,010.40x = 6,828,532,574,930.88
  5. Step 5: Solve for x
    x = 6,828,532,574,930.88/2,141,010.40
  6. Step 6: Final answer
    x = 3,189,397.20

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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.