Finding the Fourth Proportional to 4,177,595.18, 5,766,970.40 and 2,631,129.62
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Solution
The fourth proportional to 4,177,595.18, 5,766,970.40 and 2,631,129.62 is: 3,632,148.63
Step by Step Solution
- Step 1: Write the proportion equation
4,177,595.18 : 5,766,970.40 = 2,631,129.62 : x - Step 2: Convert to fraction form
4,177,595.18/5,766,970.40 = 2,631,129.62/x - Step 3: Cross multiply
4,177,595.18x = 5,766,970.40 × 2,631,129.62 - Step 4: Simplify right side
4,177,595.18x = 15,173,646,604,979.48 - Step 5: Solve for x
x = 15,173,646,604,979.48/4,177,595.18 - Step 6: Final answer
x = 3,632,148.63
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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.