Home / 2,929,693.92-4,043,387.04-2,116,528.32

Finding the Fourth Proportional to 2,929,693.92, 4,043,387.04 and 2,116,528.32

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Solution

The fourth proportional to 2,929,693.92, 4,043,387.04 and 2,116,528.32 is: 2,921,104.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,929,693.92 : 4,043,387.04 = 2,116,528.32 : x
  2. Step 2: Convert to fraction form
    2,929,693.92/4,043,387.04 = 2,116,528.32/x
  3. Step 3: Cross multiply
    2,929,693.92x = 4,043,387.04 × 2,116,528.32
  4. Step 4: Simplify right side
    2,929,693.92x = 8,557,943,178,880.97
  5. Step 5: Solve for x
    x = 8,557,943,178,880.97/2,929,693.92
  6. Step 6: Final answer
    x = 2,921,104.87

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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.