Home / 1,377,102.69-1,900,627.19-1,147,295.57

Finding the Fourth Proportional to 1,377,102.69, 1,900,627.19 and 1,147,295.57

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Solution

The fourth proportional to 1,377,102.69, 1,900,627.19 and 1,147,295.57 is: 1,583,455.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,102.69 : 1,900,627.19 = 1,147,295.57 : x
  2. Step 2: Convert to fraction form
    1,377,102.69/1,900,627.19 = 1,147,295.57/x
  3. Step 3: Cross multiply
    1,377,102.69x = 1,900,627.19 × 1,147,295.57
  4. Step 4: Simplify right side
    1,377,102.69x = 2,180,581,140,068.93
  5. Step 5: Solve for x
    x = 2,180,581,140,068.93/1,377,102.69
  6. Step 6: Final answer
    x = 1,583,455.73

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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.