Home / 3,209,647.23-4,814,422.20-780,823.35

Finding the Fourth Proportional to 3,209,647.23, 4,814,422.20 and 780,823.35

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Solution

The fourth proportional to 3,209,647.23, 4,814,422.20 and 780,823.35 is: 1,171,223.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,209,647.23 : 4,814,422.20 = 780,823.35 : x
  2. Step 2: Convert to fraction form
    3,209,647.23/4,814,422.20 = 780,823.35/x
  3. Step 3: Cross multiply
    3,209,647.23x = 4,814,422.20 × 780,823.35
  4. Step 4: Simplify right side
    3,209,647.23x = 3,759,213,270,518.37
  5. Step 5: Solve for x
    x = 3,759,213,270,518.37/3,209,647.23
  6. Step 6: Final answer
    x = 1,171,223.19

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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.