Finding the Fourth Proportional to 2,048,974.21, 2,824,955.80 and 1,680,092.29
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Solution
The fourth proportional to 2,048,974.21, 2,824,955.80 and 1,680,092.29 is: 2,316,371.99
Step by Step Solution
- Step 1: Write the proportion equation
2,048,974.21 : 2,824,955.80 = 1,680,092.29 : x - Step 2: Convert to fraction form
2,048,974.21/2,824,955.80 = 1,680,092.29/x - Step 3: Cross multiply
2,048,974.21x = 2,824,955.80 × 1,680,092.29 - Step 4: Simplify right side
2,048,974.21x = 4,746,186,459,170.78 - Step 5: Solve for x
x = 4,746,186,459,170.78/2,048,974.21 - Step 6: Final answer
x = 2,316,371.99
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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.