Home / 1,918,640.95-2,647,707.41-1,059,182.75

Finding the Fourth Proportional to 1,918,640.95, 2,647,707.41 and 1,059,182.75

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Solution

The fourth proportional to 1,918,640.95, 2,647,707.41 and 1,059,182.75 is: 1,461,662.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,640.95 : 2,647,707.41 = 1,059,182.75 : x
  2. Step 2: Convert to fraction form
    1,918,640.95/2,647,707.41 = 1,059,182.75/x
  3. Step 3: Cross multiply
    1,918,640.95x = 2,647,707.41 × 1,059,182.75
  4. Step 4: Simplify right side
    1,918,640.95x = 2,804,406,024,986.40
  5. Step 5: Solve for x
    x = 2,804,406,024,986.40/1,918,640.95
  6. Step 6: Final answer
    x = 1,461,662.76

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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.