Home / 3,158,999.20-4,738,498.80-1,029,298.60

Finding the Fourth Proportional to 3,158,999.20, 4,738,498.80 and 1,029,298.60

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Solution

The fourth proportional to 3,158,999.20, 4,738,498.80 and 1,029,298.60 is: 1,543,947.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,158,999.20 : 4,738,498.80 = 1,029,298.60 : x
  2. Step 2: Convert to fraction form
    3,158,999.20/4,738,498.80 = 1,029,298.60/x
  3. Step 3: Cross multiply
    3,158,999.20x = 4,738,498.80 × 1,029,298.60
  4. Step 4: Simplify right side
    3,158,999.20x = 4,877,330,180,941.68
  5. Step 5: Solve for x
    x = 4,877,330,180,941.68/3,158,999.20
  6. Step 6: Final answer
    x = 1,543,947.90

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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.