Home / 2,019,990.30-3,029,985.45-1,833,985.95

Finding the Fourth Proportional to 2,019,990.30, 3,029,985.45 and 1,833,985.95

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Solution

The fourth proportional to 2,019,990.30, 3,029,985.45 and 1,833,985.95 is: 2,750,978.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,019,990.30 : 3,029,985.45 = 1,833,985.95 : x
  2. Step 2: Convert to fraction form
    2,019,990.30/3,029,985.45 = 1,833,985.95/x
  3. Step 3: Cross multiply
    2,019,990.30x = 3,029,985.45 × 1,833,985.95
  4. Step 4: Simplify right side
    2,019,990.30x = 5,556,950,744,004.43
  5. Step 5: Solve for x
    x = 5,556,950,744,004.43/2,019,990.30
  6. Step 6: Final answer
    x = 2,750,978.93

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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.