Home / 1,971,869.50-2,721,179.91-1,066,451.50

Finding the Fourth Proportional to 1,971,869.50, 2,721,179.91 and 1,066,451.50

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Solution

The fourth proportional to 1,971,869.50, 2,721,179.91 and 1,066,451.50 is: 1,471,703.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,971,869.50 : 2,721,179.91 = 1,066,451.50 : x
  2. Step 2: Convert to fraction form
    1,971,869.50/2,721,179.91 = 1,066,451.50/x
  3. Step 3: Cross multiply
    1,971,869.50x = 2,721,179.91 × 1,066,451.50
  4. Step 4: Simplify right side
    1,971,869.50x = 2,902,006,396,789.37
  5. Step 5: Solve for x
    x = 2,902,006,396,789.37/1,971,869.50
  6. Step 6: Final answer
    x = 1,471,703.07

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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.