Home / 2,130,642.66-2,940,269.40-1,163,773.56

Finding the Fourth Proportional to 2,130,642.66, 2,940,269.40 and 1,163,773.56

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Solution

The fourth proportional to 2,130,642.66, 2,940,269.40 and 1,163,773.56 is: 1,605,997.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,130,642.66 : 2,940,269.40 = 1,163,773.56 : x
  2. Step 2: Convert to fraction form
    2,130,642.66/2,940,269.40 = 1,163,773.56/x
  3. Step 3: Cross multiply
    2,130,642.66x = 2,940,269.40 × 1,163,773.56
  4. Step 4: Simplify right side
    2,130,642.66x = 3,421,807,786,997.06
  5. Step 5: Solve for x
    x = 3,421,807,786,997.06/2,130,642.66
  6. Step 6: Final answer
    x = 1,605,997.97

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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.