Home / 1,932,156.67-2,666,272.12-1,072,661.60

Finding the Fourth Proportional to 1,932,156.67, 2,666,272.12 and 1,072,661.60

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Solution

The fourth proportional to 1,932,156.67, 2,666,272.12 and 1,072,661.60 is: 1,480,215.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,932,156.67 : 2,666,272.12 = 1,072,661.60 : x
  2. Step 2: Convert to fraction form
    1,932,156.67/2,666,272.12 = 1,072,661.60/x
  3. Step 3: Cross multiply
    1,932,156.67x = 2,666,272.12 × 1,072,661.60
  4. Step 4: Simplify right side
    1,932,156.67x = 2,860,007,718,274.59
  5. Step 5: Solve for x
    x = 2,860,007,718,274.59/1,932,156.67
  6. Step 6: Final answer
    x = 1,480,215.22

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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.