Home / 1,416,716.31-1,955,816.10-1,138,054.44

Finding the Fourth Proportional to 1,416,716.31, 1,955,816.10 and 1,138,054.44

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Solution

The fourth proportional to 1,416,716.31, 1,955,816.10 and 1,138,054.44 is: 1,571,115.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,416,716.31 : 1,955,816.10 = 1,138,054.44 : x
  2. Step 2: Convert to fraction form
    1,416,716.31/1,955,816.10 = 1,138,054.44/x
  3. Step 3: Cross multiply
    1,416,716.31x = 1,955,816.10 × 1,138,054.44
  4. Step 4: Simplify right side
    1,416,716.31x = 2,225,825,196,428.48
  5. Step 5: Solve for x
    x = 2,225,825,196,428.48/1,416,716.31
  6. Step 6: Final answer
    x = 1,571,115.67

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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.