Home / 3,111,003.80-4,666,505.70-981,303.20

Finding the Fourth Proportional to 3,111,003.80, 4,666,505.70 and 981,303.20

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Solution

The fourth proportional to 3,111,003.80, 4,666,505.70 and 981,303.20 is: 1,471,954.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,111,003.80 : 4,666,505.70 = 981,303.20 : x
  2. Step 2: Convert to fraction form
    3,111,003.80/4,666,505.70 = 981,303.20/x
  3. Step 3: Cross multiply
    3,111,003.80x = 4,666,505.70 × 981,303.20
  4. Step 4: Simplify right side
    3,111,003.80x = 4,579,256,976,228.24
  5. Step 5: Solve for x
    x = 4,579,256,976,228.24/3,111,003.80
  6. Step 6: Final answer
    x = 1,471,954.80

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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.