Home / 3,095,909.80-4,643,864.70-821,429.80

Finding the Fourth Proportional to 3,095,909.80, 4,643,864.70 and 821,429.80

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Solution

The fourth proportional to 3,095,909.80, 4,643,864.70 and 821,429.80 is: 1,232,144.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,095,909.80 : 4,643,864.70 = 821,429.80 : x
  2. Step 2: Convert to fraction form
    3,095,909.80/4,643,864.70 = 821,429.80/x
  3. Step 3: Cross multiply
    3,095,909.80x = 4,643,864.70 × 821,429.80
  4. Step 4: Simplify right side
    3,095,909.80x = 3,814,608,851,748.06
  5. Step 5: Solve for x
    x = 3,814,608,851,748.06/3,095,909.80
  6. Step 6: Final answer
    x = 1,232,144.70

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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.