Home / 1,691,161.20-2,333,897.79-1,003,240.35

Finding the Fourth Proportional to 1,691,161.20, 2,333,897.79 and 1,003,240.35

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Solution

The fourth proportional to 1,691,161.20, 2,333,897.79 and 1,003,240.35 is: 1,384,528.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,691,161.20 : 2,333,897.79 = 1,003,240.35 : x
  2. Step 2: Convert to fraction form
    1,691,161.20/2,333,897.79 = 1,003,240.35/x
  3. Step 3: Cross multiply
    1,691,161.20x = 2,333,897.79 × 1,003,240.35
  4. Step 4: Simplify right side
    1,691,161.20x = 2,341,460,435,703.83
  5. Step 5: Solve for x
    x = 2,341,460,435,703.83/1,691,161.20
  6. Step 6: Final answer
    x = 1,384,528.24

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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.