Finding the Fourth Proportional to 1,564,233.75, 2,158,642.58 and 848,841.75
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Solution
The fourth proportional to 1,564,233.75, 2,158,642.58 and 848,841.75 is: 1,171,401.62
Step by Step Solution
- Step 1: Write the proportion equation
1,564,233.75 : 2,158,642.58 = 848,841.75 : x - Step 2: Convert to fraction form
1,564,233.75/2,158,642.58 = 848,841.75/x - Step 3: Cross multiply
1,564,233.75x = 2,158,642.58 × 848,841.75 - Step 4: Simplify right side
1,564,233.75x = 1,832,345,940,987.51 - Step 5: Solve for x
x = 1,832,345,940,987.51/1,564,233.75 - Step 6: Final answer
x = 1,171,401.62
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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.