Home / 5,271,823.04-7,275,019.25-2,979,983.72

Finding the Fourth Proportional to 5,271,823.04, 7,275,019.25 and 2,979,983.72

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Solution

The fourth proportional to 5,271,823.04, 7,275,019.25 and 2,979,983.72 is: 4,112,322.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,271,823.04 : 7,275,019.25 = 2,979,983.72 : x
  2. Step 2: Convert to fraction form
    5,271,823.04/7,275,019.25 = 2,979,983.72/x
  3. Step 3: Cross multiply
    5,271,823.04x = 7,275,019.25 × 2,979,983.72
  4. Step 4: Simplify right side
    5,271,823.04x = 21,679,438,953,324.12
  5. Step 5: Solve for x
    x = 21,679,438,953,324.12/5,271,823.04
  6. Step 6: Final answer
    x = 4,112,322.97

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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.