Home / 2,309,685.12-3,185,784-1,505,957.76

Finding the Fourth Proportional to 2,309,685.12, 3,185,784 and 1,505,957.76

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Solution

The fourth proportional to 2,309,685.12, 3,185,784 and 1,505,957.76 is: 2,077,190.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,309,685.12 : 3,185,784 = 1,505,957.76 : x
  2. Step 2: Convert to fraction form
    2,309,685.12/3,185,784 = 1,505,957.76/x
  3. Step 3: Cross multiply
    2,309,685.12x = 3,185,784 × 1,505,957.76
  4. Step 4: Simplify right side
    2,309,685.12x = 4,797,656,136,483.84
  5. Step 5: Solve for x
    x = 4,797,656,136,483.84/2,309,685.12
  6. Step 6: Final answer
    x = 2,077,190.56

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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.