Home / 6,421,406.80-9,632,110.20-2,637,605.20

Finding the Fourth Proportional to 6,421,406.80, 9,632,110.20 and 2,637,605.20

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Solution

The fourth proportional to 6,421,406.80, 9,632,110.20 and 2,637,605.20 is: 3,956,407.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,421,406.80 : 9,632,110.20 = 2,637,605.20 : x
  2. Step 2: Convert to fraction form
    6,421,406.80/9,632,110.20 = 2,637,605.20/x
  3. Step 3: Cross multiply
    6,421,406.80x = 9,632,110.20 × 2,637,605.20
  4. Step 4: Simplify right side
    6,421,406.80x = 25,405,703,950,493.04
  5. Step 5: Solve for x
    x = 25,405,703,950,493.04/6,421,406.80
  6. Step 6: Final answer
    x = 3,956,407.80

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1.5x scale

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.