Home / 2,976,091.20-4,464,136.80-1,913,209.20

Finding the Fourth Proportional to 2,976,091.20, 4,464,136.80 and 1,913,209.20

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Solution

The fourth proportional to 2,976,091.20, 4,464,136.80 and 1,913,209.20 is: 2,869,813.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,976,091.20 : 4,464,136.80 = 1,913,209.20 : x
  2. Step 2: Convert to fraction form
    2,976,091.20/4,464,136.80 = 1,913,209.20/x
  3. Step 3: Cross multiply
    2,976,091.20x = 4,464,136.80 × 1,913,209.20
  4. Step 4: Simplify right side
    2,976,091.20x = 8,540,827,595,818.56
  5. Step 5: Solve for x
    x = 8,540,827,595,818.56/2,976,091.20
  6. Step 6: Final answer
    x = 2,869,813.80

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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.