Home / 1,651,172-2,473,934.54-1,291,203.86

Finding the Fourth Proportional to 1,651,172, 2,473,934.54 and 1,291,203.86

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Solution

The fourth proportional to 1,651,172, 2,473,934.54 and 1,291,203.86 is: 1,934,597.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,651,172 : 2,473,934.54 = 1,291,203.86 : x
  2. Step 2: Convert to fraction form
    1,651,172/2,473,934.54 = 1,291,203.86/x
  3. Step 3: Cross multiply
    1,651,172x = 2,473,934.54 × 1,291,203.86
  4. Step 4: Simplify right side
    1,651,172x = 3,194,353,827,435.33
  5. Step 5: Solve for x
    x = 3,194,353,827,435.33/1,651,172
  6. Step 6: Final answer
    x = 1,934,597.87

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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.