Home / 1,972,283.61-2,721,793.86-1,089,230.01

Finding the Fourth Proportional to 1,972,283.61, 2,721,793.86 and 1,089,230.01

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Solution

The fourth proportional to 1,972,283.61, 2,721,793.86 and 1,089,230.01 is: 1,503,160.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,972,283.61 : 2,721,793.86 = 1,089,230.01 : x
  2. Step 2: Convert to fraction form
    1,972,283.61/2,721,793.86 = 1,089,230.01/x
  3. Step 3: Cross multiply
    1,972,283.61x = 2,721,793.86 × 1,089,230.01
  4. Step 4: Simplify right side
    1,972,283.61x = 2,964,659,553,345.74
  5. Step 5: Solve for x
    x = 2,964,659,553,345.74/1,972,283.61
  6. Step 6: Final answer
    x = 1,503,160.87

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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.