Home / 4,211,866.52-6,318,587.10-1,687,718.60

Finding the Fourth Proportional to 4,211,866.52, 6,318,587.10 and 1,687,718.60

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Solution

The fourth proportional to 4,211,866.52, 6,318,587.10 and 1,687,718.60 is: 2,531,893.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,211,866.52 : 6,318,587.10 = 1,687,718.60 : x
  2. Step 2: Convert to fraction form
    4,211,866.52/6,318,587.10 = 1,687,718.60/x
  3. Step 3: Cross multiply
    4,211,866.52x = 6,318,587.10 × 1,687,718.60
  4. Step 4: Simplify right side
    4,211,866.52x = 10,663,996,974,390.06
  5. Step 5: Solve for x
    x = 10,663,996,974,390.06/4,211,866.52
  6. Step 6: Final answer
    x = 2,531,893.38

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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.