Home / 6,455,866.74-9,687,640.05-3,261,316.38

Finding the Fourth Proportional to 6,455,866.74, 9,687,640.05 and 3,261,316.38

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Solution

The fourth proportional to 6,455,866.74, 9,687,640.05 and 3,261,316.38 is: 4,893,914.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,455,866.74 : 9,687,640.05 = 3,261,316.38 : x
  2. Step 2: Convert to fraction form
    6,455,866.74/9,687,640.05 = 3,261,316.38/x
  3. Step 3: Cross multiply
    6,455,866.74x = 9,687,640.05 × 3,261,316.38
  4. Step 4: Simplify right side
    6,455,866.74x = 31,594,459,178,609.02
  5. Step 5: Solve for x
    x = 31,594,459,178,609.02/6,455,866.74
  6. Step 6: Final answer
    x = 4,893,914.40

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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.