Home / 4,971,612.78-7,457,579.55-1,377,414.36

Finding the Fourth Proportional to 4,971,612.78, 7,457,579.55 and 1,377,414.36

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Solution

The fourth proportional to 4,971,612.78, 7,457,579.55 and 1,377,414.36 is: 2,066,165.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,971,612.78 : 7,457,579.55 = 1,377,414.36 : x
  2. Step 2: Convert to fraction form
    4,971,612.78/7,457,579.55 = 1,377,414.36/x
  3. Step 3: Cross multiply
    4,971,612.78x = 7,457,579.55 × 1,377,414.36
  4. Step 4: Simplify right side
    4,971,612.78x = 10,272,177,163,012.34
  5. Step 5: Solve for x
    x = 10,272,177,163,012.34/4,971,612.78
  6. Step 6: Final answer
    x = 2,066,165.97

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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.