Home / 3,862,911.24-5,330,779.02-2,143,987.56

Finding the Fourth Proportional to 3,862,911.24, 5,330,779.02 and 2,143,987.56

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Solution

The fourth proportional to 3,862,911.24, 5,330,779.02 and 2,143,987.56 is: 2,958,681.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,862,911.24 : 5,330,779.02 = 2,143,987.56 : x
  2. Step 2: Convert to fraction form
    3,862,911.24/5,330,779.02 = 2,143,987.56/x
  3. Step 3: Cross multiply
    3,862,911.24x = 5,330,779.02 × 2,143,987.56
  4. Step 4: Simplify right side
    3,862,911.24x = 11,429,123,903,988.99
  5. Step 5: Solve for x
    x = 11,429,123,903,988.99/3,862,911.24
  6. Step 6: Final answer
    x = 2,958,681.47

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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.