Home / 2,686,543.80-4,029,815.70-1,888,726.20

Finding the Fourth Proportional to 2,686,543.80, 4,029,815.70 and 1,888,726.20

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Solution

The fourth proportional to 2,686,543.80, 4,029,815.70 and 1,888,726.20 is: 2,833,089.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,686,543.80 : 4,029,815.70 = 1,888,726.20 : x
  2. Step 2: Convert to fraction form
    2,686,543.80/4,029,815.70 = 1,888,726.20/x
  3. Step 3: Cross multiply
    2,686,543.80x = 4,029,815.70 × 1,888,726.20
  4. Step 4: Simplify right side
    2,686,543.80x = 7,611,218,493,761.34
  5. Step 5: Solve for x
    x = 7,611,218,493,761.34/2,686,543.80
  6. Step 6: Final answer
    x = 2,833,089.30

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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.