Home / 2,138,002.62-2,950,364.22-1,171,140.84

Finding the Fourth Proportional to 2,138,002.62, 2,950,364.22 and 1,171,140.84

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Solution

The fourth proportional to 2,138,002.62, 2,950,364.22 and 1,171,140.84 is: 1,616,130.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,138,002.62 : 2,950,364.22 = 1,171,140.84 : x
  2. Step 2: Convert to fraction form
    2,138,002.62/2,950,364.22 = 1,171,140.84/x
  3. Step 3: Cross multiply
    2,138,002.62x = 2,950,364.22 × 1,171,140.84
  4. Step 4: Simplify right side
    2,138,002.62x = 3,455,292,030,916.75
  5. Step 5: Solve for x
    x = 3,455,292,030,916.75/2,138,002.62
  6. Step 6: Final answer
    x = 1,616,130.87

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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.