Home / 2,898,021.78-4,347,032.70-903,477.78

Finding the Fourth Proportional to 2,898,021.78, 4,347,032.70 and 903,477.78

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Solution

The fourth proportional to 2,898,021.78, 4,347,032.70 and 903,477.78 is: 1,355,216.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,898,021.78 : 4,347,032.70 = 903,477.78 : x
  2. Step 2: Convert to fraction form
    2,898,021.78/4,347,032.70 = 903,477.78/x
  3. Step 3: Cross multiply
    2,898,021.78x = 4,347,032.70 × 903,477.78
  4. Step 4: Simplify right side
    2,898,021.78x = 3,927,447,453,383.41
  5. Step 5: Solve for x
    x = 3,927,447,453,383.41/2,898,021.78
  6. Step 6: Final answer
    x = 1,355,216.68

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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.