Finding the Fourth Proportional to 6,621,184.38, 9,926,416.80 and 2,069,889.96
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Solution
The fourth proportional to 6,621,184.38, 9,926,416.80 and 2,069,889.96 is: 3,103,159.39
Step by Step Solution
- Step 1: Write the proportion equation
6,621,184.38 : 9,926,416.80 = 2,069,889.96 : x - Step 2: Convert to fraction form
6,621,184.38/9,926,416.80 = 2,069,889.96/x - Step 3: Cross multiply
6,621,184.38x = 9,926,416.80 × 2,069,889.96 - Step 4: Simplify right side
6,621,184.38x = 20,546,590,473,095.33 - Step 5: Solve for x
x = 20,546,590,473,095.33/6,621,184.38 - Step 6: Final answer
x = 3,103,159.39
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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.