Home / 3,120,201.40-4,680,302.10-1,226,313.40

Finding the Fourth Proportional to 3,120,201.40, 4,680,302.10 and 1,226,313.40

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Solution

The fourth proportional to 3,120,201.40, 4,680,302.10 and 1,226,313.40 is: 1,839,470.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,201.40 : 4,680,302.10 = 1,226,313.40 : x
  2. Step 2: Convert to fraction form
    3,120,201.40/4,680,302.10 = 1,226,313.40/x
  3. Step 3: Cross multiply
    3,120,201.40x = 4,680,302.10 × 1,226,313.40
  4. Step 4: Simplify right side
    3,120,201.40x = 5,739,517,181,278.14
  5. Step 5: Solve for x
    x = 5,739,517,181,278.14/3,120,201.40
  6. Step 6: Final answer
    x = 1,839,470.10

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1.5x scale

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.