Home / 2,999,415.38-4,139,182.02-1,622,754.68

Finding the Fourth Proportional to 2,999,415.38, 4,139,182.02 and 1,622,754.68

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Solution

The fourth proportional to 2,999,415.38, 4,139,182.02 and 1,622,754.68 is: 2,239,395.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,999,415.38 : 4,139,182.02 = 1,622,754.68 : x
  2. Step 2: Convert to fraction form
    2,999,415.38/4,139,182.02 = 1,622,754.68/x
  3. Step 3: Cross multiply
    2,999,415.38x = 4,139,182.02 × 1,622,754.68
  4. Step 4: Simplify right side
    2,999,415.38x = 6,716,876,994,326.85
  5. Step 5: Solve for x
    x = 6,716,876,994,326.85/2,999,415.38
  6. Step 6: Final answer
    x = 2,239,395.40

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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.