Home / 3,280,512.70-4,920,769.05-2,005,054.30

Finding the Fourth Proportional to 3,280,512.70, 4,920,769.05 and 2,005,054.30

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Solution

The fourth proportional to 3,280,512.70, 4,920,769.05 and 2,005,054.30 is: 3,007,581.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280,512.70 : 4,920,769.05 = 2,005,054.30 : x
  2. Step 2: Convert to fraction form
    3,280,512.70/4,920,769.05 = 2,005,054.30/x
  3. Step 3: Cross multiply
    3,280,512.70x = 4,920,769.05 × 2,005,054.30
  4. Step 4: Simplify right side
    3,280,512.70x = 9,866,409,143,009.41
  5. Step 5: Solve for x
    x = 9,866,409,143,009.41/3,280,512.70
  6. Step 6: Final answer
    x = 3,007,581.45

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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.