Home / 3,934,000.10-5,429,087.69-2,191,668.50

Finding the Fourth Proportional to 3,934,000.10, 5,429,087.69 and 2,191,668.50

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Solution

The fourth proportional to 3,934,000.10, 5,429,087.69 and 2,191,668.50 is: 3,024,595.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,934,000.10 : 5,429,087.69 = 2,191,668.50 : x
  2. Step 2: Convert to fraction form
    3,934,000.10/5,429,087.69 = 2,191,668.50/x
  3. Step 3: Cross multiply
    3,934,000.10x = 5,429,087.69 × 2,191,668.50
  4. Step 4: Simplify right side
    3,934,000.10x = 11,898,760,473,910.77
  5. Step 5: Solve for x
    x = 11,898,760,473,910.77/3,934,000.10
  6. Step 6: Final answer
    x = 3,024,595.87

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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.