Finding the Fourth Proportional to 6,348,570.87, 9,520,419.47 and 2,702,989.47
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Solution
The fourth proportional to 6,348,570.87, 9,520,419.47 and 2,702,989.47 is: 4,053,446.69
Step by Step Solution
- Step 1: Write the proportion equation
6,348,570.87 : 9,520,419.47 = 2,702,989.47 : x - Step 2: Convert to fraction form
6,348,570.87/9,520,419.47 = 2,702,989.47/x - Step 3: Cross multiply
6,348,570.87x = 9,520,419.47 × 2,702,989.47 - Step 4: Simplify right side
6,348,570.87x = 25,733,593,563,878.04 - Step 5: Solve for x
x = 25,733,593,563,878.04/6,348,570.87 - Step 6: Final answer
x = 4,053,446.69
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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.