Home / 5,348,138.40-8,021,346.80-1,560,733.60

Finding the Fourth Proportional to 5,348,138.40, 8,021,346.80 and 1,560,733.60

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Solution

The fourth proportional to 5,348,138.40, 8,021,346.80 and 1,560,733.60 is: 2,340,849.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,348,138.40 : 8,021,346.80 = 1,560,733.60 : x
  2. Step 2: Convert to fraction form
    5,348,138.40/8,021,346.80 = 1,560,733.60/x
  3. Step 3: Cross multiply
    5,348,138.40x = 8,021,346.80 × 1,560,733.60
  4. Step 4: Simplify right side
    5,348,138.40x = 12,519,185,468,012.48
  5. Step 5: Solve for x
    x = 12,519,185,468,012.48/5,348,138.40
  6. Step 6: Final answer
    x = 2,340,849.19

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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.