Home / 2,088,373.30-3,135,512.40-1,291,211.80

Finding the Fourth Proportional to 2,088,373.30, 3,135,512.40 and 1,291,211.80

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Solution

The fourth proportional to 2,088,373.30, 3,135,512.40 and 1,291,211.80 is: 1,938,643.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,088,373.30 : 3,135,512.40 = 1,291,211.80 : x
  2. Step 2: Convert to fraction form
    2,088,373.30/3,135,512.40 = 1,291,211.80/x
  3. Step 3: Cross multiply
    2,088,373.30x = 3,135,512.40 × 1,291,211.80
  4. Step 4: Simplify right side
    2,088,373.30x = 4,048,610,609,926.32
  5. Step 5: Solve for x
    x = 4,048,610,609,926.32/2,088,373.30
  6. Step 6: Final answer
    x = 1,938,643.16

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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.