Finding the Fourth Proportional to 4,991,119.20, 7,489,270.80 and 2,331,727.20
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Solution
The fourth proportional to 4,991,119.20, 7,489,270.80 and 2,331,727.20 is: 3,498,801.72
Step by Step Solution
- Step 1: Write the proportion equation
4,991,119.20 : 7,489,270.80 = 2,331,727.20 : x - Step 2: Convert to fraction form
4,991,119.20/7,489,270.80 = 2,331,727.20/x - Step 3: Cross multiply
4,991,119.20x = 7,489,270.80 × 2,331,727.20 - Step 4: Simplify right side
4,991,119.20x = 17,462,936,432,525.76 - Step 5: Solve for x
x = 17,462,936,432,525.76/4,991,119.20 - Step 6: Final answer
x = 3,498,801.72
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.