Home / 3,418,041.74-4,717,477.64-1,968,576.39

Finding the Fourth Proportional to 3,418,041.74, 4,717,477.64 and 1,968,576.39

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Solution

The fourth proportional to 3,418,041.74, 4,717,477.64 and 1,968,576.39 is: 2,716,969.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,418,041.74 : 4,717,477.64 = 1,968,576.39 : x
  2. Step 2: Convert to fraction form
    3,418,041.74/4,717,477.64 = 1,968,576.39/x
  3. Step 3: Cross multiply
    3,418,041.74x = 4,717,477.64 × 1,968,576.39
  4. Step 4: Simplify right side
    3,418,041.74x = 9,286,715,107,378.36
  5. Step 5: Solve for x
    x = 9,286,715,107,378.36/3,418,041.74
  6. Step 6: Final answer
    x = 2,716,969.49

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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.