Home / 3,315,369.73-4,973,054.78-919,214.40

Finding the Fourth Proportional to 3,315,369.73, 4,973,054.78 and 919,214.40

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Solution

The fourth proportional to 3,315,369.73, 4,973,054.78 and 919,214.40 is: 1,378,821.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,315,369.73 : 4,973,054.78 = 919,214.40 : x
  2. Step 2: Convert to fraction form
    3,315,369.73/4,973,054.78 = 919,214.40/x
  3. Step 3: Cross multiply
    3,315,369.73x = 4,973,054.78 × 919,214.40
  4. Step 4: Simplify right side
    3,315,369.73x = 4,571,303,565,764.83
  5. Step 5: Solve for x
    x = 4,571,303,565,764.83/3,315,369.73
  6. Step 6: Final answer
    x = 1,378,821.65

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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.