Home / 2,990,816.80-4,486,225.20-2,790,050.20

Finding the Fourth Proportional to 2,990,816.80, 4,486,225.20 and 2,790,050.20

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Solution

The fourth proportional to 2,990,816.80, 4,486,225.20 and 2,790,050.20 is: 4,185,075.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,990,816.80 : 4,486,225.20 = 2,790,050.20 : x
  2. Step 2: Convert to fraction form
    2,990,816.80/4,486,225.20 = 2,790,050.20/x
  3. Step 3: Cross multiply
    2,990,816.80x = 4,486,225.20 × 2,790,050.20
  4. Step 4: Simplify right side
    2,990,816.80x = 12,516,793,516,505.04
  5. Step 5: Solve for x
    x = 12,516,793,516,505.04/2,990,816.80
  6. Step 6: Final answer
    x = 4,185,075.30

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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.