Home / 1,913,689.64-2,640,890.85-1,054,249.87

Finding the Fourth Proportional to 1,913,689.64, 2,640,890.85 and 1,054,249.87

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Solution

The fourth proportional to 1,913,689.64, 2,640,890.85 and 1,054,249.87 is: 1,454,864.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,913,689.64 : 2,640,890.85 = 1,054,249.87 : x
  2. Step 2: Convert to fraction form
    1,913,689.64/2,640,890.85 = 1,054,249.87/x
  3. Step 3: Cross multiply
    1,913,689.64x = 2,640,890.85 × 1,054,249.87
  4. Step 4: Simplify right side
    1,913,689.64x = 2,784,158,835,296.69
  5. Step 5: Solve for x
    x = 2,784,158,835,296.69/1,913,689.64
  6. Step 6: Final answer
    x = 1,454,864.35

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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.