Home / 2,019,987.10-3,029,980.65-1,264,159.90

Finding the Fourth Proportional to 2,019,987.10, 3,029,980.65 and 1,264,159.90

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Solution

The fourth proportional to 2,019,987.10, 3,029,980.65 and 1,264,159.90 is: 1,896,239.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,019,987.10 : 3,029,980.65 = 1,264,159.90 : x
  2. Step 2: Convert to fraction form
    2,019,987.10/3,029,980.65 = 1,264,159.90/x
  3. Step 3: Cross multiply
    2,019,987.10x = 3,029,980.65 × 1,264,159.90
  4. Step 4: Simplify right side
    2,019,987.10x = 3,830,380,035,505.93
  5. Step 5: Solve for x
    x = 3,830,380,035,505.93/2,019,987.10
  6. Step 6: Final answer
    x = 1,896,239.85

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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.