Home / 2,211,301.46-3,316,970.66-613,989.12

Finding the Fourth Proportional to 2,211,301.46, 3,316,970.66 and 613,989.12

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Solution

The fourth proportional to 2,211,301.46, 3,316,970.66 and 613,989.12 is: 920,988.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,211,301.46 : 3,316,970.66 = 613,989.12 : x
  2. Step 2: Convert to fraction form
    2,211,301.46/3,316,970.66 = 613,989.12/x
  3. Step 3: Cross multiply
    2,211,301.46x = 3,316,970.66 × 613,989.12
  4. Step 4: Simplify right side
    2,211,301.46x = 2,036,583,896,599.22
  5. Step 5: Solve for x
    x = 2,036,583,896,599.22/2,211,301.46
  6. Step 6: Final answer
    x = 920,988.81

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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.