Home / 2,431,144.40-3,649,999.80-1,421,301.20

Finding the Fourth Proportional to 2,431,144.40, 3,649,999.80 and 1,421,301.20

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Solution

The fourth proportional to 2,431,144.40, 3,649,999.80 and 1,421,301.20 is: 2,133,871.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,431,144.40 : 3,649,999.80 = 1,421,301.20 : x
  2. Step 2: Convert to fraction form
    2,431,144.40/3,649,999.80 = 1,421,301.20/x
  3. Step 3: Cross multiply
    2,431,144.40x = 3,649,999.80 × 1,421,301.20
  4. Step 4: Simplify right side
    2,431,144.40x = 5,187,749,095,739.76
  5. Step 5: Solve for x
    x = 5,187,749,095,739.76/2,431,144.40
  6. Step 6: Final answer
    x = 2,133,871.23

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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.