Home / 3,111,946.86-4,668,066.09-1,512,603.48

Finding the Fourth Proportional to 3,111,946.86, 4,668,066.09 and 1,512,603.48

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Solution

The fourth proportional to 3,111,946.86, 4,668,066.09 and 1,512,603.48 is: 2,268,976.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,111,946.86 : 4,668,066.09 = 1,512,603.48 : x
  2. Step 2: Convert to fraction form
    3,111,946.86/4,668,066.09 = 1,512,603.48/x
  3. Step 3: Cross multiply
    3,111,946.86x = 4,668,066.09 × 1,512,603.48
  4. Step 4: Simplify right side
    3,111,946.86x = 7,060,933,012,603.99
  5. Step 5: Solve for x
    x = 7,060,933,012,603.99/3,111,946.86
  6. Step 6: Final answer
    x = 2,268,976.09

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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.