Home / 3,280,656.30-4,920,984.45-2,079,009.15

Finding the Fourth Proportional to 3,280,656.30, 4,920,984.45 and 2,079,009.15

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Solution

The fourth proportional to 3,280,656.30, 4,920,984.45 and 2,079,009.15 is: 3,118,513.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280,656.30 : 4,920,984.45 = 2,079,009.15 : x
  2. Step 2: Convert to fraction form
    3,280,656.30/4,920,984.45 = 2,079,009.15/x
  3. Step 3: Cross multiply
    3,280,656.30x = 4,920,984.45 × 2,079,009.15
  4. Step 4: Simplify right side
    3,280,656.30x = 10,230,771,698,557.72
  5. Step 5: Solve for x
    x = 10,230,771,698,557.72/3,280,656.30
  6. Step 6: Final answer
    x = 3,118,513.73

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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.