Home / 3,280,440.80-4,920,661.20-2,014,162.40

Finding the Fourth Proportional to 3,280,440.80, 4,920,661.20 and 2,014,162.40

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Solution

The fourth proportional to 3,280,440.80, 4,920,661.20 and 2,014,162.40 is: 3,021,243.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280,440.80 : 4,920,661.20 = 2,014,162.40 : x
  2. Step 2: Convert to fraction form
    3,280,440.80/4,920,661.20 = 2,014,162.40/x
  3. Step 3: Cross multiply
    3,280,440.80x = 4,920,661.20 × 2,014,162.40
  4. Step 4: Simplify right side
    3,280,440.80x = 9,911,010,772,178.88
  5. Step 5: Solve for x
    x = 9,911,010,772,178.88/3,280,440.80
  6. Step 6: Final answer
    x = 3,021,243.60

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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.