Home / 3,361,907.57-4,639,410.78-1,911,602.88

Finding the Fourth Proportional to 3,361,907.57, 4,639,410.78 and 1,911,602.88

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Solution

The fourth proportional to 3,361,907.57, 4,639,410.78 and 1,911,602.88 is: 2,637,999.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,361,907.57 : 4,639,410.78 = 1,911,602.88 : x
  2. Step 2: Convert to fraction form
    3,361,907.57/4,639,410.78 = 1,911,602.88/x
  3. Step 3: Cross multiply
    3,361,907.57x = 4,639,410.78 × 1,911,602.88
  4. Step 4: Simplify right side
    3,361,907.57x = 8,868,711,001,382.54
  5. Step 5: Solve for x
    x = 8,868,711,001,382.54/3,361,907.57
  6. Step 6: Final answer
    x = 2,637,999.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.