Home / 5,254,409.80-7,881,614.70-3,459,320.20

Finding the Fourth Proportional to 5,254,409.80, 7,881,614.70 and 3,459,320.20

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Solution

The fourth proportional to 5,254,409.80, 7,881,614.70 and 3,459,320.20 is: 5,188,980.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,254,409.80 : 7,881,614.70 = 3,459,320.20 : x
  2. Step 2: Convert to fraction form
    5,254,409.80/7,881,614.70 = 3,459,320.20/x
  3. Step 3: Cross multiply
    5,254,409.80x = 7,881,614.70 × 3,459,320.20
  4. Step 4: Simplify right side
    5,254,409.80x = 27,265,028,940,326.94
  5. Step 5: Solve for x
    x = 27,265,028,940,326.94/5,254,409.80
  6. Step 6: Final answer
    x = 5,188,980.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.