Home / 1,421,647.20-2,133,637.20-1,374,991.20

Finding the Fourth Proportional to 1,421,647.20, 2,133,637.20 and 1,374,991.20

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Solution

The fourth proportional to 1,421,647.20, 2,133,637.20 and 1,374,991.20 is: 2,063,614.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,421,647.20 : 2,133,637.20 = 1,374,991.20 : x
  2. Step 2: Convert to fraction form
    1,421,647.20/2,133,637.20 = 1,374,991.20/x
  3. Step 3: Cross multiply
    1,421,647.20x = 2,133,637.20 × 1,374,991.20
  4. Step 4: Simplify right side
    1,421,647.20x = 2,933,732,373,992.64
  5. Step 5: Solve for x
    x = 2,933,732,373,992.64/1,421,647.20
  6. Step 6: Final answer
    x = 2,063,614.92

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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.