Home / 3,315,376.20-4,973,064.57-919,220.91

Finding the Fourth Proportional to 3,315,376.20, 4,973,064.57 and 919,220.91

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Solution

The fourth proportional to 3,315,376.20, 4,973,064.57 and 919,220.91 is: 1,378,831.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,315,376.20 : 4,973,064.57 = 919,220.91 : x
  2. Step 2: Convert to fraction form
    3,315,376.20/4,973,064.57 = 919,220.91/x
  3. Step 3: Cross multiply
    3,315,376.20x = 4,973,064.57 × 919,220.91
  4. Step 4: Simplify right side
    3,315,376.20x = 4,571,344,939,524.16
  5. Step 5: Solve for x
    x = 4,571,344,939,524.16/3,315,376.20
  6. Step 6: Final answer
    x = 1,378,831.44

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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.