Home / 3,619,106.60-5,431,721.70-1,490,718.20

Finding the Fourth Proportional to 3,619,106.60, 5,431,721.70 and 1,490,718.20

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Solution

The fourth proportional to 3,619,106.60, 5,431,721.70 and 1,490,718.20 is: 2,237,338.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,619,106.60 : 5,431,721.70 = 1,490,718.20 : x
  2. Step 2: Convert to fraction form
    3,619,106.60/5,431,721.70 = 1,490,718.20/x
  3. Step 3: Cross multiply
    3,619,106.60x = 5,431,721.70 × 1,490,718.20
  4. Step 4: Simplify right side
    3,619,106.60x = 8,097,166,395,524.94
  5. Step 5: Solve for x
    x = 8,097,166,395,524.94/3,619,106.60
  6. Step 6: Final answer
    x = 2,237,338.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.