Home / 1,918,295.41-2,647,247.93-1,058,855.85

Finding the Fourth Proportional to 1,918,295.41, 2,647,247.93 and 1,058,855.85

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Solution

The fourth proportional to 1,918,295.41, 2,647,247.93 and 1,058,855.85 is: 1,461,221.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,295.41 : 2,647,247.93 = 1,058,855.85 : x
  2. Step 2: Convert to fraction form
    1,918,295.41/2,647,247.93 = 1,058,855.85/x
  3. Step 3: Cross multiply
    1,918,295.41x = 2,647,247.93 × 1,058,855.85
  4. Step 4: Simplify right side
    1,918,295.41x = 2,803,053,938,550.37
  5. Step 5: Solve for x
    x = 2,803,053,938,550.37/1,918,295.41
  6. Step 6: Final answer
    x = 1,461,221.21

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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.