Home / 1,792,831.40-2,690,715.90-1,778,834.60

Finding the Fourth Proportional to 1,792,831.40, 2,690,715.90 and 1,778,834.60

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Solution

The fourth proportional to 1,792,831.40, 2,690,715.90 and 1,778,834.60 is: 2,669,709.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,792,831.40 : 2,690,715.90 = 1,778,834.60 : x
  2. Step 2: Convert to fraction form
    1,792,831.40/2,690,715.90 = 1,778,834.60/x
  3. Step 3: Cross multiply
    1,792,831.40x = 2,690,715.90 × 1,778,834.60
  4. Step 4: Simplify right side
    1,792,831.40x = 4,786,338,541,690.14
  5. Step 5: Solve for x
    x = 4,786,338,541,690.14/1,792,831.40
  6. Step 6: Final answer
    x = 2,669,709.23

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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.