Finding the Fourth Proportional to 6,505,707.48, 8,977,929.44 and 3,605,146.80
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Solution
The fourth proportional to 6,505,707.48, 8,977,929.44 and 3,605,146.80 is: 4,975,132.02
Step by Step Solution
- Step 1: Write the proportion equation
6,505,707.48 : 8,977,929.44 = 3,605,146.80 : x - Step 2: Convert to fraction form
6,505,707.48/8,977,929.44 = 3,605,146.80/x - Step 3: Cross multiply
6,505,707.48x = 8,977,929.44 × 3,605,146.80 - Step 4: Simplify right side
6,505,707.48x = 32,366,753,591,241.79 - Step 5: Solve for x
x = 32,366,753,591,241.79/6,505,707.48 - Step 6: Final answer
x = 4,975,132.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.