Home / 5,205,761.86-7,184,024.74-2,999,405.30

Finding the Fourth Proportional to 5,205,761.86, 7,184,024.74 and 2,999,405.30

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Solution

The fourth proportional to 5,205,761.86, 7,184,024.74 and 2,999,405.30 is: 4,139,221.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,205,761.86 : 7,184,024.74 = 2,999,405.30 : x
  2. Step 2: Convert to fraction form
    5,205,761.86/7,184,024.74 = 2,999,405.30/x
  3. Step 3: Cross multiply
    5,205,761.86x = 7,184,024.74 × 2,999,405.30
  4. Step 4: Simplify right side
    5,205,761.86x = 21,547,801,880,487.12
  5. Step 5: Solve for x
    x = 21,547,801,880,487.12/5,205,761.86
  6. Step 6: Final answer
    x = 4,139,221.59

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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.