Home / 1,854,119.65-2,781,978.71-1,001,021.92

Finding the Fourth Proportional to 1,854,119.65, 2,781,978.71 and 1,001,021.92

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Solution

The fourth proportional to 1,854,119.65, 2,781,978.71 and 1,001,021.92 is: 1,501,964.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,854,119.65 : 2,781,978.71 = 1,001,021.92 : x
  2. Step 2: Convert to fraction form
    1,854,119.65/2,781,978.71 = 1,001,021.92/x
  3. Step 3: Cross multiply
    1,854,119.65x = 2,781,978.71 × 1,001,021.92
  4. Step 4: Simplify right side
    1,854,119.65x = 2,784,821,665,230.93
  5. Step 5: Solve for x
    x = 2,784,821,665,230.93/1,854,119.65
  6. Step 6: Final answer
    x = 1,501,964.38

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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.