Home / 1,918,240.46-2,647,172.06-1,058,800.95

Finding the Fourth Proportional to 1,918,240.46, 2,647,172.06 and 1,058,800.95

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Solution

The fourth proportional to 1,918,240.46, 2,647,172.06 and 1,058,800.95 is: 1,461,145.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,240.46 : 2,647,172.06 = 1,058,800.95 : x
  2. Step 2: Convert to fraction form
    1,918,240.46/2,647,172.06 = 1,058,800.95/x
  3. Step 3: Cross multiply
    1,918,240.46x = 2,647,172.06 × 1,058,800.95
  4. Step 4: Simplify right side
    1,918,240.46x = 2,802,828,286,647.45
  5. Step 5: Solve for x
    x = 2,802,828,286,647.45/1,918,240.46
  6. Step 6: Final answer
    x = 1,461,145.44

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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.