Home / 5,420,027.29-8,130,784.52-3,146,618.92

Finding the Fourth Proportional to 5,420,027.29, 8,130,784.52 and 3,146,618.92

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Solution

The fourth proportional to 5,420,027.29, 8,130,784.52 and 3,146,618.92 is: 4,720,360.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,420,027.29 : 8,130,784.52 = 3,146,618.92 : x
  2. Step 2: Convert to fraction form
    5,420,027.29/8,130,784.52 = 3,146,618.92/x
  3. Step 3: Cross multiply
    5,420,027.29x = 8,130,784.52 × 3,146,618.92
  4. Step 4: Simplify right side
    5,420,027.29x = 25,584,480,405,075.12
  5. Step 5: Solve for x
    x = 25,584,480,405,075.12/5,420,027.29
  6. Step 6: Final answer
    x = 4,720,360.07

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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.