Home / 5,391,221.80-8,076,335.10-2,990,770.60

Finding the Fourth Proportional to 5,391,221.80, 8,076,335.10 and 2,990,770.60

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Solution

The fourth proportional to 5,391,221.80, 8,076,335.10 and 2,990,770.60 is: 4,480,332.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,391,221.80 : 8,076,335.10 = 2,990,770.60 : x
  2. Step 2: Convert to fraction form
    5,391,221.80/8,076,335.10 = 2,990,770.60/x
  3. Step 3: Cross multiply
    5,391,221.80x = 8,076,335.10 × 2,990,770.60
  4. Step 4: Simplify right side
    5,391,221.80x = 24,154,465,572,828.06
  5. Step 5: Solve for x
    x = 24,154,465,572,828.06/5,391,221.80
  6. Step 6: Final answer
    x = 4,480,332.38

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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.