Home / 1,646,999.73-2,272,859.46-921,847.50

Finding the Fourth Proportional to 1,646,999.73, 2,272,859.46 and 921,847.50

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Solution

The fourth proportional to 1,646,999.73, 2,272,859.46 and 921,847.50 is: 1,272,149.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,646,999.73 : 2,272,859.46 = 921,847.50 : x
  2. Step 2: Convert to fraction form
    1,646,999.73/2,272,859.46 = 921,847.50/x
  3. Step 3: Cross multiply
    1,646,999.73x = 2,272,859.46 × 921,847.50
  4. Step 4: Simplify right side
    1,646,999.73x = 2,095,229,811,052.35
  5. Step 5: Solve for x
    x = 2,095,229,811,052.35/1,646,999.73
  6. Step 6: Final answer
    x = 1,272,149.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.