Home / 1,935,117.40-2,901,639.30-811,917.40

Finding the Fourth Proportional to 1,935,117.40, 2,901,639.30 and 811,917.40

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Solution

The fourth proportional to 1,935,117.40, 2,901,639.30 and 811,917.40 is: 1,217,441.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,935,117.40 : 2,901,639.30 = 811,917.40 : x
  2. Step 2: Convert to fraction form
    1,935,117.40/2,901,639.30 = 811,917.40/x
  3. Step 3: Cross multiply
    1,935,117.40x = 2,901,639.30 × 811,917.40
  4. Step 4: Simplify right side
    1,935,117.40x = 2,355,891,436,193.82
  5. Step 5: Solve for x
    x = 2,355,891,436,193.82/1,935,117.40
  6. Step 6: Final answer
    x = 1,217,441.09

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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.