Home / 4,152,859.20-6,228,122.40-1,313,841.60

Finding the Fourth Proportional to 4,152,859.20, 6,228,122.40 and 1,313,841.60

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Solution

The fourth proportional to 4,152,859.20, 6,228,122.40 and 1,313,841.60 is: 1,970,393.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,152,859.20 : 6,228,122.40 = 1,313,841.60 : x
  2. Step 2: Convert to fraction form
    4,152,859.20/6,228,122.40 = 1,313,841.60/x
  3. Step 3: Cross multiply
    4,152,859.20x = 6,228,122.40 × 1,313,841.60
  4. Step 4: Simplify right side
    4,152,859.20x = 8,182,766,299,011.84
  5. Step 5: Solve for x
    x = 8,182,766,299,011.84/4,152,859.20
  6. Step 6: Final answer
    x = 1,970,393.39

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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.