Home / 2,133,603.40-3,201,279.90-786,411.40

Finding the Fourth Proportional to 2,133,603.40, 3,201,279.90 and 786,411.40

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Solution

The fourth proportional to 2,133,603.40, 3,201,279.90 and 786,411.40 is: 1,179,939.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,133,603.40 : 3,201,279.90 = 786,411.40 : x
  2. Step 2: Convert to fraction form
    2,133,603.40/3,201,279.90 = 786,411.40/x
  3. Step 3: Cross multiply
    2,133,603.40x = 3,201,279.90 × 786,411.40
  4. Step 4: Simplify right side
    2,133,603.40x = 2,517,523,007,950.86
  5. Step 5: Solve for x
    x = 2,517,523,007,950.86/2,133,603.40
  6. Step 6: Final answer
    x = 1,179,939.54

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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.