Home / 2,749,938.50-4,125,019.54-1,309,881.62

Finding the Fourth Proportional to 2,749,938.50, 4,125,019.54 and 1,309,881.62

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Solution

The fourth proportional to 2,749,938.50, 4,125,019.54 and 1,309,881.62 is: 1,964,875.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,749,938.50 : 4,125,019.54 = 1,309,881.62 : x
  2. Step 2: Convert to fraction form
    2,749,938.50/4,125,019.54 = 1,309,881.62/x
  3. Step 3: Cross multiply
    2,749,938.50x = 4,125,019.54 × 1,309,881.62
  4. Step 4: Simplify right side
    2,749,938.50x = 5,403,287,277,586.86
  5. Step 5: Solve for x
    x = 5,403,287,277,586.86/2,749,938.50
  6. Step 6: Final answer
    x = 1,964,875.68

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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.