Home / 2,019,987.80-3,029,981.70-1,833,983.45

Finding the Fourth Proportional to 2,019,987.80, 3,029,981.70 and 1,833,983.45

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Solution

The fourth proportional to 2,019,987.80, 3,029,981.70 and 1,833,983.45 is: 2,750,975.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,019,987.80 : 3,029,981.70 = 1,833,983.45 : x
  2. Step 2: Convert to fraction form
    2,019,987.80/3,029,981.70 = 1,833,983.45/x
  3. Step 3: Cross multiply
    2,019,987.80x = 3,029,981.70 × 1,833,983.45
  4. Step 4: Simplify right side
    2,019,987.80x = 5,556,936,291,602.87
  5. Step 5: Solve for x
    x = 5,556,936,291,602.87/2,019,987.80
  6. Step 6: Final answer
    x = 2,750,975.18

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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.