Home / 3,291,101.81-4,936,869.32-862,314.53

Finding the Fourth Proportional to 3,291,101.81, 4,936,869.32 and 862,314.53

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Solution

The fourth proportional to 3,291,101.81, 4,936,869.32 and 862,314.53 is: 1,293,528.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,291,101.81 : 4,936,869.32 = 862,314.53 : x
  2. Step 2: Convert to fraction form
    3,291,101.81/4,936,869.32 = 862,314.53/x
  3. Step 3: Cross multiply
    3,291,101.81x = 4,936,869.32 × 862,314.53
  4. Step 4: Simplify right side
    3,291,101.81x = 4,257,134,147,347.22
  5. Step 5: Solve for x
    x = 4,257,134,147,347.22/3,291,101.81
  6. Step 6: Final answer
    x = 1,293,528.55

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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.