Home / 1,949,178.71-2,689,730.06-1,133,324.51

Finding the Fourth Proportional to 1,949,178.71, 2,689,730.06 and 1,133,324.51

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Solution

The fourth proportional to 1,949,178.71, 2,689,730.06 and 1,133,324.51 is: 1,563,908.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,949,178.71 : 2,689,730.06 = 1,133,324.51 : x
  2. Step 2: Convert to fraction form
    1,949,178.71/2,689,730.06 = 1,133,324.51/x
  3. Step 3: Cross multiply
    1,949,178.71x = 2,689,730.06 × 1,133,324.51
  4. Step 4: Simplify right side
    1,949,178.71x = 3,048,336,983,166.50
  5. Step 5: Solve for x
    x = 3,048,336,983,166.50/1,949,178.71
  6. Step 6: Final answer
    x = 1,563,908.42

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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.