Home / 1,931,786.12-2,897,679-669,613.52

Finding the Fourth Proportional to 1,931,786.12, 2,897,679 and 669,613.52

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Solution

The fourth proportional to 1,931,786.12, 2,897,679 and 669,613.52 is: 1,004,420.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,931,786.12 : 2,897,679 = 669,613.52 : x
  2. Step 2: Convert to fraction form
    1,931,786.12/2,897,679 = 669,613.52/x
  3. Step 3: Cross multiply
    1,931,786.12x = 2,897,679 × 669,613.52
  4. Step 4: Simplify right side
    1,931,786.12x = 1,940,325,035,020.08
  5. Step 5: Solve for x
    x = 1,940,325,035,020.08/1,931,786.12
  6. Step 6: Final answer
    x = 1,004,420.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.