Home / 2,678,261.85-4,017,425.45-785,041.56

Finding the Fourth Proportional to 2,678,261.85, 4,017,425.45 and 785,041.56

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Solution

The fourth proportional to 2,678,261.85, 4,017,425.45 and 785,041.56 is: 1,177,571.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,678,261.85 : 4,017,425.45 = 785,041.56 : x
  2. Step 2: Convert to fraction form
    2,678,261.85/4,017,425.45 = 785,041.56/x
  3. Step 3: Cross multiply
    2,678,261.85x = 4,017,425.45 × 785,041.56
  4. Step 4: Simplify right side
    2,678,261.85x = 3,153,845,938,526.49
  5. Step 5: Solve for x
    x = 3,153,845,938,526.49/2,678,261.85
  6. Step 6: Final answer
    x = 1,177,571.92

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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.