Home / 1,411,085.16-1,943,736.86-1,138,389.50

Finding the Fourth Proportional to 1,411,085.16, 1,943,736.86 and 1,138,389.50

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Solution

The fourth proportional to 1,411,085.16, 1,943,736.86 and 1,138,389.50 is: 1,568,104.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,411,085.16 : 1,943,736.86 = 1,138,389.50 : x
  2. Step 2: Convert to fraction form
    1,411,085.16/1,943,736.86 = 1,138,389.50/x
  3. Step 3: Cross multiply
    1,411,085.16x = 1,943,736.86 × 1,138,389.50
  4. Step 4: Simplify right side
    1,411,085.16x = 2,212,729,632,186.97
  5. Step 5: Solve for x
    x = 2,212,729,632,186.97/1,411,085.16
  6. Step 6: Final answer
    x = 1,568,104.96

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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.