Home / 1,981,993.68-2,732,548.59-1,430,246.34

Finding the Fourth Proportional to 1,981,993.68, 2,732,548.59 and 1,430,246.34

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Solution

The fourth proportional to 1,981,993.68, 2,732,548.59 and 1,430,246.34 is: 1,971,861.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,981,993.68 : 2,732,548.59 = 1,430,246.34 : x
  2. Step 2: Convert to fraction form
    1,981,993.68/2,732,548.59 = 1,430,246.34/x
  3. Step 3: Cross multiply
    1,981,993.68x = 2,732,548.59 × 1,430,246.34
  4. Step 4: Simplify right side
    1,981,993.68x = 3,908,217,619,719.66
  5. Step 5: Solve for x
    x = 3,908,217,619,719.66/1,981,993.68
  6. Step 6: Final answer
    x = 1,971,861.80

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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.