Home / 2,013,439.20-2,778,546.48-1,108,021.20

Finding the Fourth Proportional to 2,013,439.20, 2,778,546.48 and 1,108,021.20

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Solution

The fourth proportional to 2,013,439.20, 2,778,546.48 and 1,108,021.20 is: 1,529,069.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,013,439.20 : 2,778,546.48 = 1,108,021.20 : x
  2. Step 2: Convert to fraction form
    2,013,439.20/2,778,546.48 = 1,108,021.20/x
  3. Step 3: Cross multiply
    2,013,439.20x = 2,778,546.48 × 1,108,021.20
  4. Step 4: Simplify right side
    2,013,439.20x = 3,078,688,405,025.38
  5. Step 5: Solve for x
    x = 3,078,688,405,025.38/2,013,439.20
  6. Step 6: Final answer
    x = 1,529,069.47

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Double scale
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Similar ratio
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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.