Home / 2,890,715.79-4,336,076.83-868,959.51

Finding the Fourth Proportional to 2,890,715.79, 4,336,076.83 and 868,959.51

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Solution

The fourth proportional to 2,890,715.79, 4,336,076.83 and 868,959.51 is: 1,303,440.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,890,715.79 : 4,336,076.83 = 868,959.51 : x
  2. Step 2: Convert to fraction form
    2,890,715.79/4,336,076.83 = 868,959.51/x
  3. Step 3: Cross multiply
    2,890,715.79x = 4,336,076.83 × 868,959.51
  4. Step 4: Simplify right side
    2,890,715.79x = 3,767,875,197,519.15
  5. Step 5: Solve for x
    x = 3,767,875,197,519.15/2,890,715.79
  6. Step 6: Final answer
    x = 1,303,440.21

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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.