Home / 3,128,616-4,317,490.10-1,697,832

Finding the Fourth Proportional to 3,128,616, 4,317,490.10 and 1,697,832

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Solution

The fourth proportional to 3,128,616, 4,317,490.10 and 1,697,832 is: 2,343,008.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,128,616 : 4,317,490.10 = 1,697,832 : x
  2. Step 2: Convert to fraction form
    3,128,616/4,317,490.10 = 1,697,832/x
  3. Step 3: Cross multiply
    3,128,616x = 4,317,490.10 × 1,697,832
  4. Step 4: Simplify right side
    3,128,616x = 7,330,372,851,463.20
  5. Step 5: Solve for x
    x = 7,330,372,851,463.20/3,128,616
  6. Step 6: Final answer
    x = 2,343,008.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.