Home / 3,078,894.48-4,618,586.58-919,761.12

Finding the Fourth Proportional to 3,078,894.48, 4,618,586.58 and 919,761.12

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Solution

The fourth proportional to 3,078,894.48, 4,618,586.58 and 919,761.12 is: 1,379,714.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,078,894.48 : 4,618,586.58 = 919,761.12 : x
  2. Step 2: Convert to fraction form
    3,078,894.48/4,618,586.58 = 919,761.12/x
  3. Step 3: Cross multiply
    3,078,894.48x = 4,618,586.58 × 919,761.12
  4. Step 4: Simplify right side
    3,078,894.48x = 4,247,996,365,637.77
  5. Step 5: Solve for x
    x = 4,247,996,365,637.77/3,078,894.48
  6. Step 6: Final answer
    x = 1,379,714.83

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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.