Finding the Fourth Proportional to 3,593,513.70, 5,390,270.55 and 2,790,447.30
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Solution
The fourth proportional to 3,593,513.70, 5,390,270.55 and 2,790,447.30 is: 4,185,670.95
Step by Step Solution
- Step 1: Write the proportion equation
3,593,513.70 : 5,390,270.55 = 2,790,447.30 : x - Step 2: Convert to fraction form
3,593,513.70/5,390,270.55 = 2,790,447.30/x - Step 3: Cross multiply
3,593,513.70x = 5,390,270.55 × 2,790,447.30 - Step 4: Simplify right side
3,593,513.70x = 15,041,265,902,517.01 - Step 5: Solve for x
x = 15,041,265,902,517.01/3,593,513.70 - Step 6: Final answer
x = 4,185,670.95
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1.5x scale
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.