Home / 2,007,146.86-2,768,602.78-1,190,772.57

Finding the Fourth Proportional to 2,007,146.86, 2,768,602.78 and 1,190,772.57

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Solution

The fourth proportional to 2,007,146.86, 2,768,602.78 and 1,190,772.57 is: 1,642,518.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,007,146.86 : 2,768,602.78 = 1,190,772.57 : x
  2. Step 2: Convert to fraction form
    2,007,146.86/2,768,602.78 = 1,190,772.57/x
  3. Step 3: Cross multiply
    2,007,146.86x = 2,768,602.78 × 1,190,772.57
  4. Step 4: Simplify right side
    2,007,146.86x = 3,296,776,247,649.74
  5. Step 5: Solve for x
    x = 3,296,776,247,649.74/2,007,146.86
  6. Step 6: Final answer
    x = 1,642,518.70

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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.