Home / 2,077,789.21-3,118,599.68-1,053,838.13

Finding the Fourth Proportional to 2,077,789.21, 3,118,599.68 and 1,053,838.13

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Solution

The fourth proportional to 2,077,789.21, 3,118,599.68 and 1,053,838.13 is: 1,581,728.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,077,789.21 : 3,118,599.68 = 1,053,838.13 : x
  2. Step 2: Convert to fraction form
    2,077,789.21/3,118,599.68 = 1,053,838.13/x
  3. Step 3: Cross multiply
    2,077,789.21x = 3,118,599.68 × 1,053,838.13
  4. Step 4: Simplify right side
    2,077,789.21x = 3,286,499,242,031.40
  5. Step 5: Solve for x
    x = 3,286,499,242,031.40/2,077,789.21
  6. Step 6: Final answer
    x = 1,581,728.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.