Home / 2,107,901.32-2,908,734.36-1,190,353.67

Finding the Fourth Proportional to 2,107,901.32, 2,908,734.36 and 1,190,353.67

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Solution

The fourth proportional to 2,107,901.32, 2,908,734.36 and 1,190,353.67 is: 1,642,592.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,107,901.32 : 2,908,734.36 = 1,190,353.67 : x
  2. Step 2: Convert to fraction form
    2,107,901.32/2,908,734.36 = 1,190,353.67/x
  3. Step 3: Cross multiply
    2,107,901.32x = 2,908,734.36 × 1,190,353.67
  4. Step 4: Simplify right side
    2,107,901.32x = 3,462,422,620,481.10
  5. Step 5: Solve for x
    x = 3,462,422,620,481.10/2,107,901.32
  6. Step 6: Final answer
    x = 1,642,592.37

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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.