Home / 1,635,702.96-2,257,111.76-1,206,214.32

Finding the Fourth Proportional to 1,635,702.96, 2,257,111.76 and 1,206,214.32

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Solution

The fourth proportional to 1,635,702.96, 2,257,111.76 and 1,206,214.32 is: 1,664,459.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,635,702.96 : 2,257,111.76 = 1,206,214.32 : x
  2. Step 2: Convert to fraction form
    1,635,702.96/2,257,111.76 = 1,206,214.32/x
  3. Step 3: Cross multiply
    1,635,702.96x = 2,257,111.76 × 1,206,214.32
  4. Step 4: Simplify right side
    1,635,702.96x = 2,722,560,526,752.40
  5. Step 5: Solve for x
    x = 2,722,560,526,752.40/1,635,702.96
  6. Step 6: Final answer
    x = 1,664,459.01

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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.