Finding the Fourth Proportional to 5,745,809.90, 7,929,165.66 and 3,167,490.70
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Solution
The fourth proportional to 5,745,809.90, 7,929,165.66 and 3,167,490.70 is: 4,371,108.50
Step by Step Solution
- Step 1: Write the proportion equation
5,745,809.90 : 7,929,165.66 = 3,167,490.70 : x - Step 2: Convert to fraction form
5,745,809.90/7,929,165.66 = 3,167,490.70/x - Step 3: Cross multiply
5,745,809.90x = 7,929,165.66 × 3,167,490.70 - Step 4: Simplify right side
5,745,809.90x = 25,115,558,486,809.36 - Step 5: Solve for x
x = 25,115,558,486,809.36/5,745,809.90 - Step 6: Final answer
x = 4,371,108.50
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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.