Home / 3,209,455.02-4,429,501.56-1,986,154.56

Finding the Fourth Proportional to 3,209,455.02, 4,429,501.56 and 1,986,154.56

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Solution

The fourth proportional to 3,209,455.02, 4,429,501.56 and 1,986,154.56 is: 2,741,174.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,209,455.02 : 4,429,501.56 = 1,986,154.56 : x
  2. Step 2: Convert to fraction form
    3,209,455.02/4,429,501.56 = 1,986,154.56/x
  3. Step 3: Cross multiply
    3,209,455.02x = 4,429,501.56 × 1,986,154.56
  4. Step 4: Simplify right side
    3,209,455.02x = 8,797,674,721,921.11
  5. Step 5: Solve for x
    x = 8,797,674,721,921.11/3,209,455.02
  6. Step 6: Final answer
    x = 2,741,174.02

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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.