Home / 1,918,240.84-2,647,172.57-1,058,801.34

Finding the Fourth Proportional to 1,918,240.84, 2,647,172.57 and 1,058,801.34

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Solution

The fourth proportional to 1,918,240.84, 2,647,172.57 and 1,058,801.34 is: 1,461,145.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,240.84 : 2,647,172.57 = 1,058,801.34 : x
  2. Step 2: Convert to fraction form
    1,918,240.84/2,647,172.57 = 1,058,801.34/x
  3. Step 3: Cross multiply
    1,918,240.84x = 2,647,172.57 × 1,058,801.34
  4. Step 4: Simplify right side
    1,918,240.84x = 2,802,829,864,327.24
  5. Step 5: Solve for x
    x = 2,802,829,864,327.24/1,918,240.84
  6. Step 6: Final answer
    x = 1,461,145.97

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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.