Home / 2,990,611.20-4,485,916.80-2,778,034.80

Finding the Fourth Proportional to 2,990,611.20, 4,485,916.80 and 2,778,034.80

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Solution

The fourth proportional to 2,990,611.20, 4,485,916.80 and 2,778,034.80 is: 4,167,052.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,990,611.20 : 4,485,916.80 = 2,778,034.80 : x
  2. Step 2: Convert to fraction form
    2,990,611.20/4,485,916.80 = 2,778,034.80/x
  3. Step 3: Cross multiply
    2,990,611.20x = 4,485,916.80 × 2,778,034.80
  4. Step 4: Simplify right side
    2,990,611.20x = 12,462,032,980,304.64
  5. Step 5: Solve for x
    x = 12,462,032,980,304.64/2,990,611.20
  6. Step 6: Final answer
    x = 4,167,052.20

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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.