Home / 2,085,455.70-3,128,183.55-887,417.10

Finding the Fourth Proportional to 2,085,455.70, 3,128,183.55 and 887,417.10

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Solution

The fourth proportional to 2,085,455.70, 3,128,183.55 and 887,417.10 is: 1,331,125.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,085,455.70 : 3,128,183.55 = 887,417.10 : x
  2. Step 2: Convert to fraction form
    2,085,455.70/3,128,183.55 = 887,417.10/x
  3. Step 3: Cross multiply
    2,085,455.70x = 3,128,183.55 × 887,417.10
  4. Step 4: Simplify right side
    2,085,455.70x = 2,776,003,574,208.70
  5. Step 5: Solve for x
    x = 2,776,003,574,208.70/2,085,455.70
  6. Step 6: Final answer
    x = 1,331,125.65

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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.