Home / 2,019,701.70-3,029,552.55-1,939,985.55

Finding the Fourth Proportional to 2,019,701.70, 3,029,552.55 and 1,939,985.55

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Solution

The fourth proportional to 2,019,701.70, 3,029,552.55 and 1,939,985.55 is: 2,909,978.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,019,701.70 : 3,029,552.55 = 1,939,985.55 : x
  2. Step 2: Convert to fraction form
    2,019,701.70/3,029,552.55 = 1,939,985.55/x
  3. Step 3: Cross multiply
    2,019,701.70x = 3,029,552.55 × 1,939,985.55
  4. Step 4: Simplify right side
    2,019,701.70x = 5,877,288,169,965.65
  5. Step 5: Solve for x
    x = 5,877,288,169,965.65/2,019,701.70
  6. Step 6: Final answer
    x = 2,909,978.33

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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.