Home / 3,211,316.45-4,818,718.80-1,864,447.23

Finding the Fourth Proportional to 3,211,316.45, 4,818,718.80 and 1,864,447.23

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Solution

The fourth proportional to 3,211,316.45, 4,818,718.80 and 1,864,447.23 is: 2,797,683.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,211,316.45 : 4,818,718.80 = 1,864,447.23 : x
  2. Step 2: Convert to fraction form
    3,211,316.45/4,818,718.80 = 1,864,447.23/x
  3. Step 3: Cross multiply
    3,211,316.45x = 4,818,718.80 × 1,864,447.23
  4. Step 4: Simplify right side
    3,211,316.45x = 8,984,246,918,808.92
  5. Step 5: Solve for x
    x = 8,984,246,918,808.92/3,211,316.45
  6. Step 6: Final answer
    x = 2,797,683.46

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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.