Home / 1,947,873.70-2,688,332.72-1,120,930.27

Finding the Fourth Proportional to 1,947,873.70, 2,688,332.72 and 1,120,930.27

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Solution

The fourth proportional to 1,947,873.70, 2,688,332.72 and 1,120,930.27 is: 1,547,037.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,947,873.70 : 2,688,332.72 = 1,120,930.27 : x
  2. Step 2: Convert to fraction form
    1,947,873.70/2,688,332.72 = 1,120,930.27/x
  3. Step 3: Cross multiply
    1,947,873.70x = 2,688,332.72 × 1,120,930.27
  4. Step 4: Simplify right side
    1,947,873.70x = 3,013,433,520,067.50
  5. Step 5: Solve for x
    x = 3,013,433,520,067.50/1,947,873.70
  6. Step 6: Final answer
    x = 1,547,037.43

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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.