Home / 3,202,415.84-4,418,897.40-1,912,982.51

Finding the Fourth Proportional to 3,202,415.84, 4,418,897.40 and 1,912,982.51

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Solution

The fourth proportional to 3,202,415.84, 4,418,897.40 and 1,912,982.51 is: 2,639,655.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,202,415.84 : 4,418,897.40 = 1,912,982.51 : x
  2. Step 2: Convert to fraction form
    3,202,415.84/4,418,897.40 = 1,912,982.51/x
  3. Step 3: Cross multiply
    3,202,415.84x = 4,418,897.40 × 1,912,982.51
  4. Step 4: Simplify right side
    3,202,415.84x = 8,453,273,417,589.99
  5. Step 5: Solve for x
    x = 8,453,273,417,589.99/3,202,415.84
  6. Step 6: Final answer
    x = 2,639,655.14

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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.