Home / 2,528,150.78-3,790,455.51-930,506.78

Finding the Fourth Proportional to 2,528,150.78, 3,790,455.51 and 930,506.78

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Solution

The fourth proportional to 2,528,150.78, 3,790,455.51 and 930,506.78 is: 1,395,108.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,528,150.78 : 3,790,455.51 = 930,506.78 : x
  2. Step 2: Convert to fraction form
    2,528,150.78/3,790,455.51 = 930,506.78/x
  3. Step 3: Cross multiply
    2,528,150.78x = 3,790,455.51 × 930,506.78
  4. Step 4: Simplify right side
    2,528,150.78x = 3,527,044,551,343.36
  5. Step 5: Solve for x
    x = 3,527,044,551,343.36/2,528,150.78
  6. Step 6: Final answer
    x = 1,395,108.46

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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.