Home / 1,616,768.76-2,231,111.40-891,683.88

Finding the Fourth Proportional to 1,616,768.76, 2,231,111.40 and 891,683.88

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Solution

The fourth proportional to 1,616,768.76, 2,231,111.40 and 891,683.88 is: 1,230,507.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,616,768.76 : 2,231,111.40 = 891,683.88 : x
  2. Step 2: Convert to fraction form
    1,616,768.76/2,231,111.40 = 891,683.88/x
  3. Step 3: Cross multiply
    1,616,768.76x = 2,231,111.40 × 891,683.88
  4. Step 4: Simplify right side
    1,616,768.76x = 1,989,446,069,864.23
  5. Step 5: Solve for x
    x = 1,989,446,069,864.23/1,616,768.76
  6. Step 6: Final answer
    x = 1,230,507.49

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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.