Home / 2,842,146.87-3,922,047.03-1,553,031.87

Finding the Fourth Proportional to 2,842,146.87, 3,922,047.03 and 1,553,031.87

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Solution

The fourth proportional to 2,842,146.87, 3,922,047.03 and 1,553,031.87 is: 2,143,120.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,842,146.87 : 3,922,047.03 = 1,553,031.87 : x
  2. Step 2: Convert to fraction form
    2,842,146.87/3,922,047.03 = 1,553,031.87/x
  3. Step 3: Cross multiply
    2,842,146.87x = 3,922,047.03 × 1,553,031.87
  4. Step 4: Simplify right side
    2,842,146.87x = 6,091,064,033,228.85
  5. Step 5: Solve for x
    x = 6,091,064,033,228.85/2,842,146.87
  6. Step 6: Final answer
    x = 2,143,120.79

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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.