Home / 3,485,167.40-5,224,986.30-1,909,231.40

Finding the Fourth Proportional to 3,485,167.40, 5,224,986.30 and 1,909,231.40

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Solution

The fourth proportional to 3,485,167.40, 5,224,986.30 and 1,909,231.40 is: 2,862,332.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,485,167.40 : 5,224,986.30 = 1,909,231.40 : x
  2. Step 2: Convert to fraction form
    3,485,167.40/5,224,986.30 = 1,909,231.40/x
  3. Step 3: Cross multiply
    3,485,167.40x = 5,224,986.30 × 1,909,231.40
  4. Step 4: Simplify right side
    3,485,167.40x = 9,975,707,908,529.82
  5. Step 5: Solve for x
    x = 9,975,707,908,529.82/3,485,167.40
  6. Step 6: Final answer
    x = 2,862,332.50

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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.