Home / 1,881,003.40-2,821,505.10-1,853,009.80

Finding the Fourth Proportional to 1,881,003.40, 2,821,505.10 and 1,853,009.80

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Solution

The fourth proportional to 1,881,003.40, 2,821,505.10 and 1,853,009.80 is: 2,779,514.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,881,003.40 : 2,821,505.10 = 1,853,009.80 : x
  2. Step 2: Convert to fraction form
    1,881,003.40/2,821,505.10 = 1,853,009.80/x
  3. Step 3: Cross multiply
    1,881,003.40x = 2,821,505.10 × 1,853,009.80
  4. Step 4: Simplify right side
    1,881,003.40x = 5,228,276,601,049.98
  5. Step 5: Solve for x
    x = 5,228,276,601,049.98/1,881,003.40
  6. Step 6: Final answer
    x = 2,779,514.70

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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.