Home / 3,390,019.52-4,677,087.84-1,919,727.68

Finding the Fourth Proportional to 3,390,019.52, 4,677,087.84 and 1,919,727.68

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Solution

The fourth proportional to 3,390,019.52, 4,677,087.84 and 1,919,727.68 is: 2,648,579.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,390,019.52 : 4,677,087.84 = 1,919,727.68 : x
  2. Step 2: Convert to fraction form
    3,390,019.52/4,677,087.84 = 1,919,727.68/x
  3. Step 3: Cross multiply
    3,390,019.52x = 4,677,087.84 × 1,919,727.68
  4. Step 4: Simplify right side
    3,390,019.52x = 8,978,734,988,239.41
  5. Step 5: Solve for x
    x = 8,978,734,988,239.41/3,390,019.52
  6. Step 6: Final answer
    x = 2,648,579.14

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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.