Finding the Fourth Proportional to 1,687,593.62, 2,328,885.32 and 913,224.37
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Solution
The fourth proportional to 1,687,593.62, 2,328,885.32 and 913,224.37 is: 1,260,252.94
Step by Step Solution
- Step 1: Write the proportion equation
1,687,593.62 : 2,328,885.32 = 913,224.37 : x - Step 2: Convert to fraction form
1,687,593.62/2,328,885.32 = 913,224.37/x - Step 3: Cross multiply
1,687,593.62x = 2,328,885.32 × 913,224.37 - Step 4: Simplify right side
1,687,593.62x = 2,126,794,829,159.25 - Step 5: Solve for x
x = 2,126,794,829,159.25/1,687,593.62 - Step 6: Final answer
x = 1,260,252.94
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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.