Home / 2,999,392.08-4,139,149.73-1,622,731.47

Finding the Fourth Proportional to 2,999,392.08, 4,139,149.73 and 1,622,731.47

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Solution

The fourth proportional to 2,999,392.08, 4,139,149.73 and 1,622,731.47 is: 2,239,363.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,999,392.08 : 4,139,149.73 = 1,622,731.47 : x
  2. Step 2: Convert to fraction form
    2,999,392.08/4,139,149.73 = 1,622,731.47/x
  3. Step 3: Cross multiply
    2,999,392.08x = 4,139,149.73 × 1,622,731.47
  4. Step 4: Simplify right side
    2,999,392.08x = 6,716,728,517,799.35
  5. Step 5: Solve for x
    x = 6,716,728,517,799.35/2,999,392.08
  6. Step 6: Final answer
    x = 2,239,363.29

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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.