Finding the Fourth Proportional to 5,386,906.76, 8,081,643.18 and 2,021,142.92
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Solution
The fourth proportional to 5,386,906.76, 8,081,643.18 and 2,021,142.92 is: 3,032,195.77
Step by Step Solution
- Step 1: Write the proportion equation
5,386,906.76 : 8,081,643.18 = 2,021,142.92 : x - Step 2: Convert to fraction form
5,386,906.76/8,081,643.18 = 2,021,142.92/x - Step 3: Cross multiply
5,386,906.76x = 8,081,643.18 × 2,021,142.92 - Step 4: Simplify right side
5,386,906.76x = 16,334,155,895,223.29 - Step 5: Solve for x
x = 16,334,155,895,223.29/5,386,906.76 - Step 6: Final answer
x = 3,032,195.77
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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.