Home / 3,315,370.35-4,973,055.72-919,215.02

Finding the Fourth Proportional to 3,315,370.35, 4,973,055.72 and 919,215.02

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Solution

The fourth proportional to 3,315,370.35, 4,973,055.72 and 919,215.02 is: 1,378,822.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,315,370.35 : 4,973,055.72 = 919,215.02 : x
  2. Step 2: Convert to fraction form
    3,315,370.35/4,973,055.72 = 919,215.02/x
  3. Step 3: Cross multiply
    3,315,370.35x = 4,973,055.72 × 919,215.02
  4. Step 4: Simplify right side
    3,315,370.35x = 4,571,307,522,106.50
  5. Step 5: Solve for x
    x = 4,571,307,522,106.50/3,315,370.35
  6. Step 6: Final answer
    x = 1,378,822.59

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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.