Home / 2,560,106.34-3,838,873.81-853,645.53

Finding the Fourth Proportional to 2,560,106.34, 3,838,873.81 and 853,645.53

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Solution

The fourth proportional to 2,560,106.34, 3,838,873.81 and 853,645.53 is: 1,280,039.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,560,106.34 : 3,838,873.81 = 853,645.53 : x
  2. Step 2: Convert to fraction form
    2,560,106.34/3,838,873.81 = 853,645.53/x
  3. Step 3: Cross multiply
    2,560,106.34x = 3,838,873.81 × 853,645.53
  4. Step 4: Simplify right side
    2,560,106.34x = 3,277,037,468,140.57
  5. Step 5: Solve for x
    x = 3,277,037,468,140.57/2,560,106.34
  6. Step 6: Final answer
    x = 1,280,039.59

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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.