Home / 6,443,382.72-9,662,749.02-1,893,214.40

Finding the Fourth Proportional to 6,443,382.72, 9,662,749.02 and 1,893,214.40

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Solution

The fourth proportional to 6,443,382.72, 9,662,749.02 and 1,893,214.40 is: 2,839,138.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,443,382.72 : 9,662,749.02 = 1,893,214.40 : x
  2. Step 2: Convert to fraction form
    6,443,382.72/9,662,749.02 = 1,893,214.40/x
  3. Step 3: Cross multiply
    6,443,382.72x = 9,662,749.02 × 1,893,214.40
  4. Step 4: Simplify right side
    6,443,382.72x = 18,293,655,588,249.89
  5. Step 5: Solve for x
    x = 18,293,655,588,249.89/6,443,382.72
  6. Step 6: Final answer
    x = 2,839,138.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.