Home / 3,315,914.79-4,973,871.86-919,759.52

Finding the Fourth Proportional to 3,315,914.79, 4,973,871.86 and 919,759.52

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Solution

The fourth proportional to 3,315,914.79, 4,973,871.86 and 919,759.52 is: 1,379,639.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,315,914.79 : 4,973,871.86 = 919,759.52 : x
  2. Step 2: Convert to fraction form
    3,315,914.79/4,973,871.86 = 919,759.52/x
  3. Step 3: Cross multiply
    3,315,914.79x = 4,973,871.86 × 919,759.52
  4. Step 4: Simplify right side
    3,315,914.79x = 4,574,766,005,780.09
  5. Step 5: Solve for x
    x = 4,574,766,005,780.09/3,315,914.79
  6. Step 6: Final answer
    x = 1,379,639.19

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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.