Home / 4,152,620.40-6,228,930.60-1,313,602.80

Finding the Fourth Proportional to 4,152,620.40, 6,228,930.60 and 1,313,602.80

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Solution

The fourth proportional to 4,152,620.40, 6,228,930.60 and 1,313,602.80 is: 1,970,404.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,152,620.40 : 6,228,930.60 = 1,313,602.80 : x
  2. Step 2: Convert to fraction form
    4,152,620.40/6,228,930.60 = 1,313,602.80/x
  3. Step 3: Cross multiply
    4,152,620.40x = 6,228,930.60 × 1,313,602.80
  4. Step 4: Simplify right side
    4,152,620.40x = 8,182,340,677,165.68
  5. Step 5: Solve for x
    x = 8,182,340,677,165.68/4,152,620.40
  6. Step 6: Final answer
    x = 1,970,404.20

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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.