Finding the Fourth Proportional to 5,616,468.48, 7,750,721.21 and 3,038,143.31
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Solution
The fourth proportional to 5,616,468.48, 7,750,721.21 and 3,038,143.31 is: 4,192,634.90
Step by Step Solution
- Step 1: Write the proportion equation
5,616,468.48 : 7,750,721.21 = 3,038,143.31 : x - Step 2: Convert to fraction form
5,616,468.48/7,750,721.21 = 3,038,143.31/x - Step 3: Cross multiply
5,616,468.48x = 7,750,721.21 × 3,038,143.31 - Step 4: Simplify right side
5,616,468.48x = 23,547,801,737,892.29 - Step 5: Solve for x
x = 23,547,801,737,892.29/5,616,468.48 - Step 6: Final answer
x = 4,192,634.90
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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.