Home / 2,990,727.20-4,486,746.90-1,475,136.20

Finding the Fourth Proportional to 2,990,727.20, 4,486,746.90 and 1,475,136.20

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Solution

The fourth proportional to 2,990,727.20, 4,486,746.90 and 1,475,136.20 is: 2,213,027.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,990,727.20 : 4,486,746.90 = 1,475,136.20 : x
  2. Step 2: Convert to fraction form
    2,990,727.20/4,486,746.90 = 1,475,136.20/x
  3. Step 3: Cross multiply
    2,990,727.20x = 4,486,746.90 × 1,475,136.20
  4. Step 4: Simplify right side
    2,990,727.20x = 6,618,562,772,427.78
  5. Step 5: Solve for x
    x = 6,618,562,772,427.78/2,990,727.20
  6. Step 6: Final answer
    x = 2,213,027.91

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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.