Home / 5,213,643.60-7,820,465.40-2,662,726.80

Finding the Fourth Proportional to 5,213,643.60, 7,820,465.40 and 2,662,726.80

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Solution

The fourth proportional to 5,213,643.60, 7,820,465.40 and 2,662,726.80 is: 3,994,090.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,213,643.60 : 7,820,465.40 = 2,662,726.80 : x
  2. Step 2: Convert to fraction form
    5,213,643.60/7,820,465.40 = 2,662,726.80/x
  3. Step 3: Cross multiply
    5,213,643.60x = 7,820,465.40 × 2,662,726.80
  4. Step 4: Simplify right side
    5,213,643.60x = 20,823,762,809,052.72
  5. Step 5: Solve for x
    x = 20,823,762,809,052.72/5,213,643.60
  6. Step 6: Final answer
    x = 3,994,090.20

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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.