Home / 2,819,874.61-3,891,431.90-1,530,715.87

Finding the Fourth Proportional to 2,819,874.61, 3,891,431.90 and 1,530,715.87

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Solution

The fourth proportional to 2,819,874.61, 3,891,431.90 and 1,530,715.87 is: 2,112,390.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,819,874.61 : 3,891,431.90 = 1,530,715.87 : x
  2. Step 2: Convert to fraction form
    2,819,874.61/3,891,431.90 = 1,530,715.87/x
  3. Step 3: Cross multiply
    2,819,874.61x = 3,891,431.90 × 1,530,715.87
  4. Step 4: Simplify right side
    2,819,874.61x = 5,956,676,566,354.25
  5. Step 5: Solve for x
    x = 5,956,676,566,354.25/2,819,874.61
  6. Step 6: Final answer
    x = 2,112,390.58

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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.