Home / 2,898,023.78-4,347,035.70-903,479.78

Finding the Fourth Proportional to 2,898,023.78, 4,347,035.70 and 903,479.78

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Solution

The fourth proportional to 2,898,023.78, 4,347,035.70 and 903,479.78 is: 1,355,219.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,898,023.78 : 4,347,035.70 = 903,479.78 : x
  2. Step 2: Convert to fraction form
    2,898,023.78/4,347,035.70 = 903,479.78/x
  3. Step 3: Cross multiply
    2,898,023.78x = 4,347,035.70 × 903,479.78
  4. Step 4: Simplify right side
    2,898,023.78x = 3,927,458,857,888.15
  5. Step 5: Solve for x
    x = 3,927,458,857,888.15/2,898,023.78
  6. Step 6: Final answer
    x = 1,355,219.68

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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.