Home / 2,638,345.86-3,957,477.08-841,217.20

Finding the Fourth Proportional to 2,638,345.86, 3,957,477.08 and 841,217.20

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Solution

The fourth proportional to 2,638,345.86, 3,957,477.08 and 841,217.20 is: 1,261,812.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,638,345.86 : 3,957,477.08 = 841,217.20 : x
  2. Step 2: Convert to fraction form
    2,638,345.86/3,957,477.08 = 841,217.20/x
  3. Step 3: Cross multiply
    2,638,345.86x = 3,957,477.08 × 841,217.20
  4. Step 4: Simplify right side
    2,638,345.86x = 3,329,097,774,202.00
  5. Step 5: Solve for x
    x = 3,329,097,774,202.00/2,638,345.86
  6. Step 6: Final answer
    x = 1,261,812.50

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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.