Home / 1,867,999.86-2,578,033.98-1,143,330.12

Finding the Fourth Proportional to 1,867,999.86, 2,578,033.98 and 1,143,330.12

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Solution

The fourth proportional to 1,867,999.86, 2,578,033.98 and 1,143,330.12 is: 1,577,914.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,867,999.86 : 2,578,033.98 = 1,143,330.12 : x
  2. Step 2: Convert to fraction form
    1,867,999.86/2,578,033.98 = 1,143,330.12/x
  3. Step 3: Cross multiply
    1,867,999.86x = 2,578,033.98 × 1,143,330.12
  4. Step 4: Simplify right side
    1,867,999.86x = 2,947,543,899,717.48
  5. Step 5: Solve for x
    x = 2,947,543,899,717.48/1,867,999.86
  6. Step 6: Final answer
    x = 1,577,914.41

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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.