Home / 2,230,100.10-3,077,541.81-1,211,505.66

Finding the Fourth Proportional to 2,230,100.10, 3,077,541.81 and 1,211,505.66

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Solution

The fourth proportional to 2,230,100.10, 3,077,541.81 and 1,211,505.66 is: 1,671,879.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,230,100.10 : 3,077,541.81 = 1,211,505.66 : x
  2. Step 2: Convert to fraction form
    2,230,100.10/3,077,541.81 = 1,211,505.66/x
  3. Step 3: Cross multiply
    2,230,100.10x = 3,077,541.81 × 1,211,505.66
  4. Step 4: Simplify right side
    2,230,100.10x = 3,728,459,321,701.64
  5. Step 5: Solve for x
    x = 3,728,459,321,701.64/2,230,100.10
  6. Step 6: Final answer
    x = 1,671,879.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.