Home / 4,917,340.80-7,382,001.60-3,120,220.80

Finding the Fourth Proportional to 4,917,340.80, 7,382,001.60 and 3,120,220.80

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Solution

The fourth proportional to 4,917,340.80, 7,382,001.60 and 3,120,220.80 is: 4,684,132.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,917,340.80 : 7,382,001.60 = 3,120,220.80 : x
  2. Step 2: Convert to fraction form
    4,917,340.80/7,382,001.60 = 3,120,220.80/x
  3. Step 3: Cross multiply
    4,917,340.80x = 7,382,001.60 × 3,120,220.80
  4. Step 4: Simplify right side
    4,917,340.80x = 23,033,474,937,953.28
  5. Step 5: Solve for x
    x = 23,033,474,937,953.28/4,917,340.80
  6. Step 6: Final answer
    x = 4,684,132.31

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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.