Home / 4,900,021.56-7,349,553.38-1,488,337.78

Finding the Fourth Proportional to 4,900,021.56, 7,349,553.38 and 1,488,337.78

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Solution

The fourth proportional to 4,900,021.56, 7,349,553.38 and 1,488,337.78 is: 2,232,361.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,900,021.56 : 7,349,553.38 = 1,488,337.78 : x
  2. Step 2: Convert to fraction form
    4,900,021.56/7,349,553.38 = 1,488,337.78/x
  3. Step 3: Cross multiply
    4,900,021.56x = 7,349,553.38 × 1,488,337.78
  4. Step 4: Simplify right side
    4,900,021.56x = 10,938,617,961,580.70
  5. Step 5: Solve for x
    x = 10,938,617,961,580.70/4,900,021.56
  6. Step 6: Final answer
    x = 2,232,361.19

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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.