Home / 3,915,354.16-5,403,225.62-2,196,511.58

Finding the Fourth Proportional to 3,915,354.16, 5,403,225.62 and 2,196,511.58

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Solution

The fourth proportional to 3,915,354.16, 5,403,225.62 and 2,196,511.58 is: 3,031,206.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,915,354.16 : 5,403,225.62 = 2,196,511.58 : x
  2. Step 2: Convert to fraction form
    3,915,354.16/5,403,225.62 = 2,196,511.58/x
  3. Step 3: Cross multiply
    3,915,354.16x = 5,403,225.62 × 2,196,511.58
  4. Step 4: Simplify right side
    3,915,354.16x = 11,868,247,643,682.68
  5. Step 5: Solve for x
    x = 11,868,247,643,682.68/3,915,354.16
  6. Step 6: Final answer
    x = 3,031,206.67

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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.