Home / 2,975,815.40-4,463,723.10-981,012.20

Finding the Fourth Proportional to 2,975,815.40, 4,463,723.10 and 981,012.20

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Solution

The fourth proportional to 2,975,815.40, 4,463,723.10 and 981,012.20 is: 1,471,518.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,975,815.40 : 4,463,723.10 = 981,012.20 : x
  2. Step 2: Convert to fraction form
    2,975,815.40/4,463,723.10 = 981,012.20/x
  3. Step 3: Cross multiply
    2,975,815.40x = 4,463,723.10 × 981,012.20
  4. Step 4: Simplify right side
    2,975,815.40x = 4,378,966,818,521.82
  5. Step 5: Solve for x
    x = 4,378,966,818,521.82/2,975,815.40
  6. Step 6: Final answer
    x = 1,471,518.30

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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.