Home / 2,687,289.01-4,032,667.70-981,289.47

Finding the Fourth Proportional to 2,687,289.01, 4,032,667.70 and 981,289.47

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Solution

The fourth proportional to 2,687,289.01, 4,032,667.70 and 981,289.47 is: 1,472,567.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,687,289.01 : 4,032,667.70 = 981,289.47 : x
  2. Step 2: Convert to fraction form
    2,687,289.01/4,032,667.70 = 981,289.47/x
  3. Step 3: Cross multiply
    2,687,289.01x = 4,032,667.70 × 981,289.47
  4. Step 4: Simplify right side
    2,687,289.01x = 3,957,214,350,019.12
  5. Step 5: Solve for x
    x = 3,957,214,350,019.12/2,687,289.01
  6. Step 6: Final answer
    x = 1,472,567.46

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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.