Home / 2,431,146.40-3,650,002.80-1,421,303.20

Finding the Fourth Proportional to 2,431,146.40, 3,650,002.80 and 1,421,303.20

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Solution

The fourth proportional to 2,431,146.40, 3,650,002.80 and 1,421,303.20 is: 2,133,874.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,431,146.40 : 3,650,002.80 = 1,421,303.20 : x
  2. Step 2: Convert to fraction form
    2,431,146.40/3,650,002.80 = 1,421,303.20/x
  3. Step 3: Cross multiply
    2,431,146.40x = 3,650,002.80 × 1,421,303.20
  4. Step 4: Simplify right side
    2,431,146.40x = 5,187,760,659,648.96
  5. Step 5: Solve for x
    x = 5,187,760,659,648.96/2,431,146.40
  6. Step 6: Final answer
    x = 2,133,874.23

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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.