Home / 2,813,909.51-4,220,865.90-1,976,201.03

Finding the Fourth Proportional to 2,813,909.51, 4,220,865.90 and 1,976,201.03

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Solution

The fourth proportional to 2,813,909.51, 4,220,865.90 and 1,976,201.03 is: 2,964,302.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,813,909.51 : 4,220,865.90 = 1,976,201.03 : x
  2. Step 2: Convert to fraction form
    2,813,909.51/4,220,865.90 = 1,976,201.03/x
  3. Step 3: Cross multiply
    2,813,909.51x = 4,220,865.90 × 1,976,201.03
  4. Step 4: Simplify right side
    2,813,909.51x = 8,341,279,539,071.88
  5. Step 5: Solve for x
    x = 8,341,279,539,071.88/2,813,909.51
  6. Step 6: Final answer
    x = 2,964,302.69

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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.