Home / 3,074,355.90-4,611,701.70-1,277,421.12

Finding the Fourth Proportional to 3,074,355.90, 4,611,701.70 and 1,277,421.12

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Solution

The fourth proportional to 3,074,355.90, 4,611,701.70 and 1,277,421.12 is: 1,916,201.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,074,355.90 : 4,611,701.70 = 1,277,421.12 : x
  2. Step 2: Convert to fraction form
    3,074,355.90/4,611,701.70 = 1,277,421.12/x
  3. Step 3: Cross multiply
    3,074,355.90x = 4,611,701.70 × 1,277,421.12
  4. Step 4: Simplify right side
    3,074,355.90x = 5,891,085,150,719.90
  5. Step 5: Solve for x
    x = 5,891,085,150,719.90/3,074,355.90
  6. Step 6: Final answer
    x = 1,916,201.42

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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.