Home / 5,438,331.90-7,505,018.10-2,991,066.93

Finding the Fourth Proportional to 5,438,331.90, 7,505,018.10 and 2,991,066.93

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Solution

The fourth proportional to 5,438,331.90, 7,505,018.10 and 2,991,066.93 is: 4,127,738.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,438,331.90 : 7,505,018.10 = 2,991,066.93 : x
  2. Step 2: Convert to fraction form
    5,438,331.90/7,505,018.10 = 2,991,066.93/x
  3. Step 3: Cross multiply
    5,438,331.90x = 7,505,018.10 × 2,991,066.93
  4. Step 4: Simplify right side
    5,438,331.90x = 22,448,011,447,961.43
  5. Step 5: Solve for x
    x = 22,448,011,447,961.43/5,438,331.90
  6. Step 6: Final answer
    x = 4,127,738.41

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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.