Home / 4,119,988.80-6,178,233.60-1,990,725.60

Finding the Fourth Proportional to 4,119,988.80, 6,178,233.60 and 1,990,725.60

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Solution

The fourth proportional to 4,119,988.80, 6,178,233.60 and 1,990,725.60 is: 2,985,243.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,119,988.80 : 6,178,233.60 = 1,990,725.60 : x
  2. Step 2: Convert to fraction form
    4,119,988.80/6,178,233.60 = 1,990,725.60/x
  3. Step 3: Cross multiply
    4,119,988.80x = 6,178,233.60 × 1,990,725.60
  4. Step 4: Simplify right side
    4,119,988.80x = 12,299,167,790,300.16
  5. Step 5: Solve for x
    x = 12,299,167,790,300.16/4,119,988.80
  6. Step 6: Final answer
    x = 2,985,243.02

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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.