Home / 1,214,483.40-1,821,725.10-1,197,894.60

Finding the Fourth Proportional to 1,214,483.40, 1,821,725.10 and 1,197,894.60

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Solution

The fourth proportional to 1,214,483.40, 1,821,725.10 and 1,197,894.60 is: 1,796,841.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,483.40 : 1,821,725.10 = 1,197,894.60 : x
  2. Step 2: Convert to fraction form
    1,214,483.40/1,821,725.10 = 1,197,894.60/x
  3. Step 3: Cross multiply
    1,214,483.40x = 1,821,725.10 × 1,197,894.60
  4. Step 4: Simplify right side
    1,214,483.40x = 2,182,234,659,974.46
  5. Step 5: Solve for x
    x = 2,182,234,659,974.46/1,214,483.40
  6. Step 6: Final answer
    x = 1,796,841.90

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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.