Home / 1,912,256.51-2,638,866.20-1,085,484.44

Finding the Fourth Proportional to 1,912,256.51, 2,638,866.20 and 1,085,484.44

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Solution

The fourth proportional to 1,912,256.51, 2,638,866.20 and 1,085,484.44 is: 1,497,941.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,912,256.51 : 2,638,866.20 = 1,085,484.44 : x
  2. Step 2: Convert to fraction form
    1,912,256.51/2,638,866.20 = 1,085,484.44/x
  3. Step 3: Cross multiply
    1,912,256.51x = 2,638,866.20 × 1,085,484.44
  4. Step 4: Simplify right side
    1,912,256.51x = 2,864,448,200,511.67
  5. Step 5: Solve for x
    x = 2,864,448,200,511.67/1,912,256.51
  6. Step 6: Final answer
    x = 1,497,941.41

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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.