Home / 2,107,902.32-2,908,735.74-1,190,354.67

Finding the Fourth Proportional to 2,107,902.32, 2,908,735.74 and 1,190,354.67

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Solution

The fourth proportional to 2,107,902.32, 2,908,735.74 and 1,190,354.67 is: 1,642,593.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,107,902.32 : 2,908,735.74 = 1,190,354.67 : x
  2. Step 2: Convert to fraction form
    2,107,902.32/2,908,735.74 = 1,190,354.67/x
  3. Step 3: Cross multiply
    2,107,902.32x = 2,908,735.74 × 1,190,354.67
  4. Step 4: Simplify right side
    2,107,902.32x = 3,462,427,171,904.91
  5. Step 5: Solve for x
    x = 3,462,427,171,904.91/2,107,902.32
  6. Step 6: Final answer
    x = 1,642,593.75

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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.