Home / 1,881,081.70-2,595,850.10-1,021,623.52

Finding the Fourth Proportional to 1,881,081.70, 2,595,850.10 and 1,021,623.52

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Solution

The fourth proportional to 1,881,081.70, 2,595,850.10 and 1,021,623.52 is: 1,409,817.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,881,081.70 : 2,595,850.10 = 1,021,623.52 : x
  2. Step 2: Convert to fraction form
    1,881,081.70/2,595,850.10 = 1,021,623.52/x
  3. Step 3: Cross multiply
    1,881,081.70x = 2,595,850.10 × 1,021,623.52
  4. Step 4: Simplify right side
    1,881,081.70x = 2,651,981,516,554.35
  5. Step 5: Solve for x
    x = 2,651,981,516,554.35/1,881,081.70
  6. Step 6: Final answer
    x = 1,409,817.30

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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.