Home / 4,855,965.20-7,283,947.80-1,660,612.40

Finding the Fourth Proportional to 4,855,965.20, 7,283,947.80 and 1,660,612.40

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Solution

The fourth proportional to 4,855,965.20, 7,283,947.80 and 1,660,612.40 is: 2,490,918.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,855,965.20 : 7,283,947.80 = 1,660,612.40 : x
  2. Step 2: Convert to fraction form
    4,855,965.20/7,283,947.80 = 1,660,612.40/x
  3. Step 3: Cross multiply
    4,855,965.20x = 7,283,947.80 × 1,660,612.40
  4. Step 4: Simplify right side
    4,855,965.20x = 12,095,814,037,632.72
  5. Step 5: Solve for x
    x = 12,095,814,037,632.72/4,855,965.20
  6. Step 6: Final answer
    x = 2,490,918.60

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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.