Home / 5,420,502.06-8,128,686.33-1,825,303.74

Finding the Fourth Proportional to 5,420,502.06, 8,128,686.33 and 1,825,303.74

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Solution

The fourth proportional to 5,420,502.06, 8,128,686.33 and 1,825,303.74 is: 2,737,259.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,420,502.06 : 8,128,686.33 = 1,825,303.74 : x
  2. Step 2: Convert to fraction form
    5,420,502.06/8,128,686.33 = 1,825,303.74/x
  3. Step 3: Cross multiply
    5,420,502.06x = 8,128,686.33 × 1,825,303.74
  4. Step 4: Simplify right side
    5,420,502.06x = 14,837,321,559,435.88
  5. Step 5: Solve for x
    x = 14,837,321,559,435.88/5,420,502.06
  6. Step 6: Final answer
    x = 2,737,259.65

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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.