Home / 1,478,055.30-2,214,458.55-1,383,576.90

Finding the Fourth Proportional to 1,478,055.30, 2,214,458.55 and 1,383,576.90

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Solution

The fourth proportional to 1,478,055.30, 2,214,458.55 and 1,383,576.90 is: 2,072,908.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,055.30 : 2,214,458.55 = 1,383,576.90 : x
  2. Step 2: Convert to fraction form
    1,478,055.30/2,214,458.55 = 1,383,576.90/x
  3. Step 3: Cross multiply
    1,478,055.30x = 2,214,458.55 × 1,383,576.90
  4. Step 4: Simplify right side
    1,478,055.30x = 3,063,873,695,787.49
  5. Step 5: Solve for x
    x = 3,063,873,695,787.49/1,478,055.30
  6. Step 6: Final answer
    x = 2,072,908.70

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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.