Home / 2,792,582.40-3,854,076.53-1,690,621.21

Finding the Fourth Proportional to 2,792,582.40, 3,854,076.53 and 1,690,621.21

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Solution

The fourth proportional to 2,792,582.40, 3,854,076.53 and 1,690,621.21 is: 2,333,246.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,792,582.40 : 3,854,076.53 = 1,690,621.21 : x
  2. Step 2: Convert to fraction form
    2,792,582.40/3,854,076.53 = 1,690,621.21/x
  3. Step 3: Cross multiply
    2,792,582.40x = 3,854,076.53 × 1,690,621.21
  4. Step 4: Simplify right side
    2,792,582.40x = 6,515,783,526,581.20
  5. Step 5: Solve for x
    x = 6,515,783,526,581.20/2,792,582.40
  6. Step 6: Final answer
    x = 2,333,246.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.