Home / 2,781,448.02-3,837,959.82-1,620,085.41

Finding the Fourth Proportional to 2,781,448.02, 3,837,959.82 and 1,620,085.41

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Solution

The fourth proportional to 2,781,448.02, 3,837,959.82 and 1,620,085.41 is: 2,235,462.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,781,448.02 : 3,837,959.82 = 1,620,085.41 : x
  2. Step 2: Convert to fraction form
    2,781,448.02/3,837,959.82 = 1,620,085.41/x
  3. Step 3: Cross multiply
    2,781,448.02x = 3,837,959.82 × 1,620,085.41
  4. Step 4: Simplify right side
    2,781,448.02x = 6,217,822,708,548.23
  5. Step 5: Solve for x
    x = 6,217,822,708,548.23/2,781,448.02
  6. Step 6: Final answer
    x = 2,235,462.49

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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.