Home / 2,280,860.45-3,147,248.82-1,385,295.87

Finding the Fourth Proportional to 2,280,860.45, 3,147,248.82 and 1,385,295.87

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Solution

The fourth proportional to 2,280,860.45, 3,147,248.82 and 1,385,295.87 is: 1,911,502.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,280,860.45 : 3,147,248.82 = 1,385,295.87 : x
  2. Step 2: Convert to fraction form
    2,280,860.45/3,147,248.82 = 1,385,295.87/x
  3. Step 3: Cross multiply
    2,280,860.45x = 3,147,248.82 × 1,385,295.87
  4. Step 4: Simplify right side
    2,280,860.45x = 4,359,870,792,208.37
  5. Step 5: Solve for x
    x = 4,359,870,792,208.37/2,280,860.45
  6. Step 6: Final answer
    x = 1,911,502.65

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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.