Home / 3,468,148.80-5,214,664.80-2,920,718.40

Finding the Fourth Proportional to 3,468,148.80, 5,214,664.80 and 2,920,718.40

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Solution

The fourth proportional to 3,468,148.80, 5,214,664.80 and 2,920,718.40 is: 4,391,555.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,468,148.80 : 5,214,664.80 = 2,920,718.40 : x
  2. Step 2: Convert to fraction form
    3,468,148.80/5,214,664.80 = 2,920,718.40/x
  3. Step 3: Cross multiply
    3,468,148.80x = 5,214,664.80 × 2,920,718.40
  4. Step 4: Simplify right side
    3,468,148.80x = 15,230,567,431,192.32
  5. Step 5: Solve for x
    x = 15,230,567,431,192.32/3,468,148.80
  6. Step 6: Final answer
    x = 4,391,555.35

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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.