Home / 5,228,468.16-7,215,142.08-2,905,300.68

Finding the Fourth Proportional to 5,228,468.16, 7,215,142.08 and 2,905,300.68

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Solution

The fourth proportional to 5,228,468.16, 7,215,142.08 and 2,905,300.68 is: 4,009,234.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,228,468.16 : 7,215,142.08 = 2,905,300.68 : x
  2. Step 2: Convert to fraction form
    5,228,468.16/7,215,142.08 = 2,905,300.68/x
  3. Step 3: Cross multiply
    5,228,468.16x = 7,215,142.08 × 2,905,300.68
  4. Step 4: Simplify right side
    5,228,468.16x = 20,962,157,191,320.62
  5. Step 5: Solve for x
    x = 20,962,157,191,320.62/5,228,468.16
  6. Step 6: Final answer
    x = 4,009,234.93

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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.