Home / 3,316,272.40-4,973,728.20-919,514.80

Finding the Fourth Proportional to 3,316,272.40, 4,973,728.20 and 919,514.80

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Solution

The fourth proportional to 3,316,272.40, 4,973,728.20 and 919,514.80 is: 1,379,083.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,316,272.40 : 4,973,728.20 = 919,514.80 : x
  2. Step 2: Convert to fraction form
    3,316,272.40/4,973,728.20 = 919,514.80/x
  3. Step 3: Cross multiply
    3,316,272.40x = 4,973,728.20 × 919,514.80
  4. Step 4: Simplify right side
    3,316,272.40x = 4,573,416,691,077.36
  5. Step 5: Solve for x
    x = 4,573,416,691,077.36/3,316,272.40
  6. Step 6: Final answer
    x = 1,379,083.54

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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.