Home / 2,077,040.76-3,115,809.92-637,535.64

Finding the Fourth Proportional to 2,077,040.76, 3,115,809.92 and 637,535.64

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Solution

The fourth proportional to 2,077,040.76, 3,115,809.92 and 637,535.64 is: 956,379.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,077,040.76 : 3,115,809.92 = 637,535.64 : x
  2. Step 2: Convert to fraction form
    2,077,040.76/3,115,809.92 = 637,535.64/x
  3. Step 3: Cross multiply
    2,077,040.76x = 3,115,809.92 × 637,535.64
  4. Step 4: Simplify right side
    2,077,040.76x = 1,986,439,871,465.55
  5. Step 5: Solve for x
    x = 1,986,439,871,465.55/2,077,040.76
  6. Step 6: Final answer
    x = 956,379.82

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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.