Home / 1,462,247.80-2,190,261.30-1,213,415.80

Finding the Fourth Proportional to 1,462,247.80, 2,190,261.30 and 1,213,415.80

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Solution

The fourth proportional to 1,462,247.80, 2,190,261.30 and 1,213,415.80 is: 1,817,542.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,462,247.80 : 2,190,261.30 = 1,213,415.80 : x
  2. Step 2: Convert to fraction form
    1,462,247.80/2,190,261.30 = 1,213,415.80/x
  3. Step 3: Cross multiply
    1,462,247.80x = 2,190,261.30 × 1,213,415.80
  4. Step 4: Simplify right side
    1,462,247.80x = 2,657,697,667,548.54
  5. Step 5: Solve for x
    x = 2,657,697,667,548.54/1,462,247.80
  6. Step 6: Final answer
    x = 1,817,542.60

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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.