Home / 2,455,904.30-3,683,856.45-858,300.80

Finding the Fourth Proportional to 2,455,904.30, 3,683,856.45 and 858,300.80

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Solution

The fourth proportional to 2,455,904.30, 3,683,856.45 and 858,300.80 is: 1,287,451.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,455,904.30 : 3,683,856.45 = 858,300.80 : x
  2. Step 2: Convert to fraction form
    2,455,904.30/3,683,856.45 = 858,300.80/x
  3. Step 3: Cross multiply
    2,455,904.30x = 3,683,856.45 × 858,300.80
  4. Step 4: Simplify right side
    2,455,904.30x = 3,161,856,938,120.16
  5. Step 5: Solve for x
    x = 3,161,856,938,120.16/2,455,904.30
  6. Step 6: Final answer
    x = 1,287,451.20

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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.