Home / 2,378,529.90-3,282,373.53-1,290,801.69

Finding the Fourth Proportional to 2,378,529.90, 3,282,373.53 and 1,290,801.69

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Solution

The fourth proportional to 2,378,529.90, 3,282,373.53 and 1,290,801.69 is: 1,781,307.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,378,529.90 : 3,282,373.53 = 1,290,801.69 : x
  2. Step 2: Convert to fraction form
    2,378,529.90/3,282,373.53 = 1,290,801.69/x
  3. Step 3: Cross multiply
    2,378,529.90x = 3,282,373.53 × 1,290,801.69
  4. Step 4: Simplify right side
    2,378,529.90x = 4,236,893,299,735.27
  5. Step 5: Solve for x
    x = 4,236,893,299,735.27/2,378,529.90
  6. Step 6: Final answer
    x = 1,781,307.56

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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.