Home / 2,108,656.18-3,162,328.98-760,643.65

Finding the Fourth Proportional to 2,108,656.18, 3,162,328.98 and 760,643.65

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Solution

The fourth proportional to 2,108,656.18, 3,162,328.98 and 760,643.65 is: 1,140,729.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,108,656.18 : 3,162,328.98 = 760,643.65 : x
  2. Step 2: Convert to fraction form
    2,108,656.18/3,162,328.98 = 760,643.65/x
  3. Step 3: Cross multiply
    2,108,656.18x = 3,162,328.98 × 760,643.65
  4. Step 4: Simplify right side
    2,108,656.18x = 2,405,405,457,847.98
  5. Step 5: Solve for x
    x = 2,405,405,457,847.98/2,108,656.18
  6. Step 6: Final answer
    x = 1,140,729.10

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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.