Home / 3,315,907.45-4,973,860.85-919,752.18

Finding the Fourth Proportional to 3,315,907.45, 4,973,860.85 and 919,752.18

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Solution

The fourth proportional to 3,315,907.45, 4,973,860.85 and 919,752.18 is: 1,379,628.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,315,907.45 : 4,973,860.85 = 919,752.18 : x
  2. Step 2: Convert to fraction form
    3,315,907.45/4,973,860.85 = 919,752.18/x
  3. Step 3: Cross multiply
    3,315,907.45x = 4,973,860.85 × 919,752.18
  4. Step 4: Simplify right side
    3,315,907.45x = 4,574,719,355,205.39
  5. Step 5: Solve for x
    x = 4,574,719,355,205.39/3,315,907.45
  6. Step 6: Final answer
    x = 1,379,628.18

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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.