Home / 2,928,445.79-4,041,033.75-1,621,691.42

Finding the Fourth Proportional to 2,928,445.79, 4,041,033.75 and 1,621,691.42

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Solution

The fourth proportional to 2,928,445.79, 4,041,033.75 and 1,621,691.42 is: 2,237,811.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,928,445.79 : 4,041,033.75 = 1,621,691.42 : x
  2. Step 2: Convert to fraction form
    2,928,445.79/4,041,033.75 = 1,621,691.42/x
  3. Step 3: Cross multiply
    2,928,445.79x = 4,041,033.75 × 1,621,691.42
  4. Step 4: Simplify right side
    2,928,445.79x = 6,553,309,760,305.43
  5. Step 5: Solve for x
    x = 6,553,309,760,305.43/2,928,445.79
  6. Step 6: Final answer
    x = 2,237,811.53

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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.