Home / 2,890,721.80-4,336,085.85-868,965.52

Finding the Fourth Proportional to 2,890,721.80, 4,336,085.85 and 868,965.52

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Solution

The fourth proportional to 2,890,721.80, 4,336,085.85 and 868,965.52 is: 1,303,449.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,890,721.80 : 4,336,085.85 = 868,965.52 : x
  2. Step 2: Convert to fraction form
    2,890,721.80/4,336,085.85 = 868,965.52/x
  3. Step 3: Cross multiply
    2,890,721.80x = 4,336,085.85 × 868,965.52
  4. Step 4: Simplify right side
    2,890,721.80x = 3,767,909,095,409.89
  5. Step 5: Solve for x
    x = 3,767,909,095,409.89/2,890,721.80
  6. Step 6: Final answer
    x = 1,303,449.23

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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.