Home / 2,638,403.28-3,957,826.86-841,542.21

Finding the Fourth Proportional to 2,638,403.28, 3,957,826.86 and 841,542.21

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Solution

The fourth proportional to 2,638,403.28, 3,957,826.86 and 841,542.21 is: 1,262,384.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,638,403.28 : 3,957,826.86 = 841,542.21 : x
  2. Step 2: Convert to fraction form
    2,638,403.28/3,957,826.86 = 841,542.21/x
  3. Step 3: Cross multiply
    2,638,403.28x = 3,957,826.86 × 841,542.21
  4. Step 4: Simplify right side
    2,638,403.28x = 3,330,678,362,561.76
  5. Step 5: Solve for x
    x = 3,330,678,362,561.76/2,638,403.28
  6. Step 6: Final answer
    x = 1,262,384.10

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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.