Home / 3,202,417.84-4,418,900.16-1,912,984.51

Finding the Fourth Proportional to 3,202,417.84, 4,418,900.16 and 1,912,984.51

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Solution

The fourth proportional to 3,202,417.84, 4,418,900.16 and 1,912,984.51 is: 2,639,657.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,202,417.84 : 4,418,900.16 = 1,912,984.51 : x
  2. Step 2: Convert to fraction form
    3,202,417.84/4,418,900.16 = 1,912,984.51/x
  3. Step 3: Cross multiply
    3,202,417.84x = 4,418,900.16 × 1,912,984.51
  4. Step 4: Simplify right side
    3,202,417.84x = 8,453,287,557,316.52
  5. Step 5: Solve for x
    x = 8,453,287,557,316.52/3,202,417.84
  6. Step 6: Final answer
    x = 2,639,657.90

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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.