Home / 4,920,864.96-6,790,639.68-2,885,030.40

Finding the Fourth Proportional to 4,920,864.96, 6,790,639.68 and 2,885,030.40

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Solution

The fourth proportional to 4,920,864.96, 6,790,639.68 and 2,885,030.40 is: 3,981,251.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920,864.96 : 6,790,639.68 = 2,885,030.40 : x
  2. Step 2: Convert to fraction form
    4,920,864.96/6,790,639.68 = 2,885,030.40/x
  3. Step 3: Cross multiply
    4,920,864.96x = 6,790,639.68 × 2,885,030.40
  4. Step 4: Simplify right side
    4,920,864.96x = 19,591,201,912,246.27
  5. Step 5: Solve for x
    x = 19,591,201,912,246.27/4,920,864.96
  6. Step 6: Final answer
    x = 3,981,251.68

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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.