Home / 5,145,581.45-7,101,338.51-2,854,480.25

Finding the Fourth Proportional to 5,145,581.45, 7,101,338.51 and 2,854,480.25

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Solution

The fourth proportional to 5,145,581.45, 7,101,338.51 and 2,854,480.25 is: 3,939,424.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,145,581.45 : 7,101,338.51 = 2,854,480.25 : x
  2. Step 2: Convert to fraction form
    5,145,581.45/7,101,338.51 = 2,854,480.25/x
  3. Step 3: Cross multiply
    5,145,581.45x = 7,101,338.51 × 2,854,480.25
  4. Step 4: Simplify right side
    5,145,581.45x = 20,270,630,525,359.43
  5. Step 5: Solve for x
    x = 20,270,630,525,359.43/5,145,581.45
  6. Step 6: Final answer
    x = 3,939,424.67

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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.