Home / 1,606,608.09-2,217,141.78-881,442.63

Finding the Fourth Proportional to 1,606,608.09, 2,217,141.78 and 881,442.63

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Solution

The fourth proportional to 1,606,608.09, 2,217,141.78 and 881,442.63 is: 1,216,403.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,606,608.09 : 2,217,141.78 = 881,442.63 : x
  2. Step 2: Convert to fraction form
    1,606,608.09/2,217,141.78 = 881,442.63/x
  3. Step 3: Cross multiply
    1,606,608.09x = 2,217,141.78 × 881,442.63
  4. Step 4: Simplify right side
    1,606,608.09x = 1,954,283,281,646.08
  5. Step 5: Solve for x
    x = 1,954,283,281,646.08/1,606,608.09
  6. Step 6: Final answer
    x = 1,216,403.24

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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.