Home / 2,220,012.84-3,063,621.51-1,201,418.40

Finding the Fourth Proportional to 2,220,012.84, 3,063,621.51 and 1,201,418.40

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Solution

The fourth proportional to 2,220,012.84, 3,063,621.51 and 1,201,418.40 is: 1,657,959.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,220,012.84 : 3,063,621.51 = 1,201,418.40 : x
  2. Step 2: Convert to fraction form
    2,220,012.84/3,063,621.51 = 1,201,418.40/x
  3. Step 3: Cross multiply
    2,220,012.84x = 3,063,621.51 × 1,201,418.40
  4. Step 4: Simplify right side
    2,220,012.84x = 3,680,691,252,749.78
  5. Step 5: Solve for x
    x = 3,680,691,252,749.78/2,220,012.84
  6. Step 6: Final answer
    x = 1,657,959.44

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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.