Finding the Fourth Proportional to 3,817,762.19, 5,263,566.74 and 2,472,721.32
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Solution
The fourth proportional to 3,817,762.19, 5,263,566.74 and 2,472,721.32 is: 3,409,152.55
Step by Step Solution
- Step 1: Write the proportion equation
3,817,762.19 : 5,263,566.74 = 2,472,721.32 : x - Step 2: Convert to fraction form
3,817,762.19/5,263,566.74 = 2,472,721.32/x - Step 3: Cross multiply
3,817,762.19x = 5,263,566.74 × 2,472,721.32 - Step 4: Simplify right side
3,817,762.19x = 13,015,333,691,010.64 - Step 5: Solve for x
x = 13,015,333,691,010.64/3,817,762.19 - Step 6: Final answer
x = 3,409,152.55
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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.