Finding the Fourth Proportional to 6,513,122.55, 8,989,185.30 and 3,613,447.62
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Solution
The fourth proportional to 6,513,122.55, 8,989,185.30 and 3,613,447.62 is: 4,987,154.78
Step by Step Solution
- Step 1: Write the proportion equation
6,513,122.55 : 8,989,185.30 = 3,613,447.62 : x - Step 2: Convert to fraction form
6,513,122.55/8,989,185.30 = 3,613,447.62/x - Step 3: Cross multiply
6,513,122.55x = 8,989,185.30 × 3,613,447.62 - Step 4: Simplify right side
6,513,122.55x = 32,481,950,228,023.99 - Step 5: Solve for x
x = 32,481,950,228,023.99/6,513,122.55 - Step 6: Final answer
x = 4,987,154.78
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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.