Home / 3,507,489.32-4,838,997.04-2,130,313.55

Finding the Fourth Proportional to 3,507,489.32, 4,838,997.04 and 2,130,313.55

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Solution

The fourth proportional to 3,507,489.32, 4,838,997.04 and 2,130,313.55 is: 2,939,019.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,507,489.32 : 4,838,997.04 = 2,130,313.55 : x
  2. Step 2: Convert to fraction form
    3,507,489.32/4,838,997.04 = 2,130,313.55/x
  3. Step 3: Cross multiply
    3,507,489.32x = 4,838,997.04 × 2,130,313.55
  4. Step 4: Simplify right side
    3,507,489.32x = 10,308,580,933,201.12
  5. Step 5: Solve for x
    x = 10,308,580,933,201.12/3,507,489.32
  6. Step 6: Final answer
    x = 2,939,019.91

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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.