Home / 6,498,045.45-8,966,961.77-3,557,298.78

Finding the Fourth Proportional to 6,498,045.45, 8,966,961.77 and 3,557,298.78

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Solution

The fourth proportional to 6,498,045.45, 8,966,961.77 and 3,557,298.78 is: 4,908,885.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,498,045.45 : 8,966,961.77 = 3,557,298.78 : x
  2. Step 2: Convert to fraction form
    6,498,045.45/8,966,961.77 = 3,557,298.78/x
  3. Step 3: Cross multiply
    6,498,045.45x = 8,966,961.77 × 3,557,298.78
  4. Step 4: Simplify right side
    6,498,045.45x = 31,898,162,146,941.15
  5. Step 5: Solve for x
    x = 31,898,162,146,941.15/6,498,045.45
  6. Step 6: Final answer
    x = 4,908,885.66

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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.