Home / 1,616,078-2,230,130.18-881,017.09

Finding the Fourth Proportional to 1,616,078, 2,230,130.18 and 881,017.09

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Solution

The fourth proportional to 1,616,078, 2,230,130.18 and 881,017.09 is: 1,215,772.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,616,078 : 2,230,130.18 = 881,017.09 : x
  2. Step 2: Convert to fraction form
    1,616,078/2,230,130.18 = 881,017.09/x
  3. Step 3: Cross multiply
    1,616,078x = 2,230,130.18 × 881,017.09
  4. Step 4: Simplify right side
    1,616,078x = 1,964,782,785,949.04
  5. Step 5: Solve for x
    x = 1,964,782,785,949.04/1,616,078
  6. Step 6: Final answer
    x = 1,215,772.25

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Double scale
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1.5x scale

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.