Home / 1,616,140.64-2,230,233.08-890,971.60

Finding the Fourth Proportional to 1,616,140.64, 2,230,233.08 and 890,971.60

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Solution

The fourth proportional to 1,616,140.64, 2,230,233.08 and 890,971.60 is: 1,229,518.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,616,140.64 : 2,230,233.08 = 890,971.60 : x
  2. Step 2: Convert to fraction form
    1,616,140.64/2,230,233.08 = 890,971.60/x
  3. Step 3: Cross multiply
    1,616,140.64x = 2,230,233.08 × 890,971.60
  4. Step 4: Simplify right side
    1,616,140.64x = 1,987,074,335,660.53
  5. Step 5: Solve for x
    x = 1,987,074,335,660.53/1,616,140.64
  6. Step 6: Final answer
    x = 1,229,518.20

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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.