Home / 1,890,391.15-2,834,733.79-542,247.81

Finding the Fourth Proportional to 1,890,391.15, 2,834,733.79 and 542,247.81

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Solution

The fourth proportional to 1,890,391.15, 2,834,733.79 and 542,247.81 is: 813,127.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,890,391.15 : 2,834,733.79 = 542,247.81 : x
  2. Step 2: Convert to fraction form
    1,890,391.15/2,834,733.79 = 542,247.81/x
  3. Step 3: Cross multiply
    1,890,391.15x = 2,834,733.79 × 542,247.81
  4. Step 4: Simplify right side
    1,890,391.15x = 1,537,128,189,560.50
  5. Step 5: Solve for x
    x = 1,537,128,189,560.50/1,890,391.15
  6. Step 6: Final answer
    x = 813,127.06

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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.