Home / 1,915,284.48-2,643,091.92-1,055,859.36

Finding the Fourth Proportional to 1,915,284.48, 2,643,091.92 and 1,055,859.36

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Solution

The fourth proportional to 1,915,284.48, 2,643,091.92 and 1,055,859.36 is: 1,457,085.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,915,284.48 : 2,643,091.92 = 1,055,859.36 : x
  2. Step 2: Convert to fraction form
    1,915,284.48/2,643,091.92 = 1,055,859.36/x
  3. Step 3: Cross multiply
    1,915,284.48x = 2,643,091.92 × 1,055,859.36
  4. Step 4: Simplify right side
    1,915,284.48x = 2,790,733,343,072.37
  5. Step 5: Solve for x
    x = 2,790,733,343,072.37/1,915,284.48
  6. Step 6: Final answer
    x = 1,457,085.55

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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.