Home / 1,965,721.80-2,948,580.90-545,777.40

Finding the Fourth Proportional to 1,965,721.80, 2,948,580.90 and 545,777.40

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Solution

The fourth proportional to 1,965,721.80, 2,948,580.90 and 545,777.40 is: 818,665.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,965,721.80 : 2,948,580.90 = 545,777.40 : x
  2. Step 2: Convert to fraction form
    1,965,721.80/2,948,580.90 = 545,777.40/x
  3. Step 3: Cross multiply
    1,965,721.80x = 2,948,580.90 × 545,777.40
  4. Step 4: Simplify right side
    1,965,721.80x = 1,609,268,817,291.66
  5. Step 5: Solve for x
    x = 1,609,268,817,291.66/1,965,721.80
  6. Step 6: Final answer
    x = 818,665.60

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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.