Finding the Fourth Proportional to 3,915,551.80, 5,873,327.70 and 3,862,407.70
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Solution
The fourth proportional to 3,915,551.80, 5,873,327.70 and 3,862,407.70 is: 5,793,611.55
Step by Step Solution
- Step 1: Write the proportion equation
3,915,551.80 : 5,873,327.70 = 3,862,407.70 : x - Step 2: Convert to fraction form
3,915,551.80/5,873,327.70 = 3,862,407.70/x - Step 3: Cross multiply
3,915,551.80x = 5,873,327.70 × 3,862,407.70 - Step 4: Simplify right side
3,915,551.80x = 22,685,186,133,103.29 - Step 5: Solve for x
x = 22,685,186,133,103.29/3,915,551.80 - Step 6: Final answer
x = 5,793,611.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.