Home / 2,608,210.80-3,912,316.20-1,263,000.78

Finding the Fourth Proportional to 2,608,210.80, 3,912,316.20 and 1,263,000.78

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Solution

The fourth proportional to 2,608,210.80, 3,912,316.20 and 1,263,000.78 is: 1,894,501.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,608,210.80 : 3,912,316.20 = 1,263,000.78 : x
  2. Step 2: Convert to fraction form
    2,608,210.80/3,912,316.20 = 1,263,000.78/x
  3. Step 3: Cross multiply
    2,608,210.80x = 3,912,316.20 × 1,263,000.78
  4. Step 4: Simplify right side
    2,608,210.80x = 4,941,258,412,206.64
  5. Step 5: Solve for x
    x = 4,941,258,412,206.64/2,608,210.80
  6. Step 6: Final answer
    x = 1,894,501.17

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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.