Home / 2,528,586.30-3,792,879.45-1,678,280.70

Finding the Fourth Proportional to 2,528,586.30, 3,792,879.45 and 1,678,280.70

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Solution

The fourth proportional to 2,528,586.30, 3,792,879.45 and 1,678,280.70 is: 2,517,421.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,528,586.30 : 3,792,879.45 = 1,678,280.70 : x
  2. Step 2: Convert to fraction form
    2,528,586.30/3,792,879.45 = 1,678,280.70/x
  3. Step 3: Cross multiply
    2,528,586.30x = 3,792,879.45 × 1,678,280.70
  4. Step 4: Simplify right side
    2,528,586.30x = 6,365,516,378,361.62
  5. Step 5: Solve for x
    x = 6,365,516,378,361.62/2,528,586.30
  6. Step 6: Final answer
    x = 2,517,421.05

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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.