Home / 5,183,695.69-7,153,503.10-2,891,856.38

Finding the Fourth Proportional to 5,183,695.69, 7,153,503.10 and 2,891,856.38

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Solution

The fourth proportional to 5,183,695.69, 7,153,503.10 and 2,891,856.38 is: 3,990,763.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,183,695.69 : 7,153,503.10 = 2,891,856.38 : x
  2. Step 2: Convert to fraction form
    5,183,695.69/7,153,503.10 = 2,891,856.38/x
  3. Step 3: Cross multiply
    5,183,695.69x = 7,153,503.10 × 2,891,856.38
  4. Step 4: Simplify right side
    5,183,695.69x = 20,686,903,536,087.62
  5. Step 5: Solve for x
    x = 20,686,903,536,087.62/5,183,695.69
  6. Step 6: Final answer
    x = 3,990,763.50

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1.5x scale

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.