Home / 3,315,376.70-4,973,065.32-919,221.41

Finding the Fourth Proportional to 3,315,376.70, 4,973,065.32 and 919,221.41

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Solution

The fourth proportional to 3,315,376.70, 4,973,065.32 and 919,221.41 is: 1,378,832.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,315,376.70 : 4,973,065.32 = 919,221.41 : x
  2. Step 2: Convert to fraction form
    3,315,376.70/4,973,065.32 = 919,221.41/x
  3. Step 3: Cross multiply
    3,315,376.70x = 4,973,065.32 × 919,221.41
  4. Step 4: Simplify right side
    3,315,376.70x = 4,571,348,090,607.18
  5. Step 5: Solve for x
    x = 4,571,348,090,607.18/3,315,376.70
  6. Step 6: Final answer
    x = 1,378,832.18

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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.