Home / 1,616,719.21-2,231,041.44-891,633.94

Finding the Fourth Proportional to 1,616,719.21, 2,231,041.44 and 891,633.94

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Solution

The fourth proportional to 1,616,719.21, 2,231,041.44 and 891,633.94 is: 1,230,437.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,616,719.21 : 2,231,041.44 = 891,633.94 : x
  2. Step 2: Convert to fraction form
    1,616,719.21/2,231,041.44 = 891,633.94/x
  3. Step 3: Cross multiply
    1,616,719.21x = 2,231,041.44 × 891,633.94
  4. Step 4: Simplify right side
    1,616,719.21x = 1,989,272,269,450.47
  5. Step 5: Solve for x
    x = 1,989,272,269,450.47/1,616,719.21
  6. Step 6: Final answer
    x = 1,230,437.70

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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.