Home / 3,187,216.42-4,779,071.60-2,177,478.52

Finding the Fourth Proportional to 3,187,216.42, 4,779,071.60 and 2,177,478.52

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Solution

The fourth proportional to 3,187,216.42, 4,779,071.60 and 2,177,478.52 is: 3,265,020.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,187,216.42 : 4,779,071.60 = 2,177,478.52 : x
  2. Step 2: Convert to fraction form
    3,187,216.42/4,779,071.60 = 2,177,478.52/x
  3. Step 3: Cross multiply
    3,187,216.42x = 4,779,071.60 × 2,177,478.52
  4. Step 4: Simplify right side
    3,187,216.42x = 10,406,325,731,706.96
  5. Step 5: Solve for x
    x = 10,406,325,731,706.96/3,187,216.42
  6. Step 6: Final answer
    x = 3,265,020.12

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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.