Finding the Fourth Proportional to 1,588,722.26, 2,192,382.99 and 909,527.54
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Solution
The fourth proportional to 1,588,722.26, 2,192,382.99 and 909,527.54 is: 1,255,117.24
Step by Step Solution
- Step 1: Write the proportion equation
1,588,722.26 : 2,192,382.99 = 909,527.54 : x - Step 2: Convert to fraction form
1,588,722.26/2,192,382.99 = 909,527.54/x - Step 3: Cross multiply
1,588,722.26x = 2,192,382.99 × 909,527.54 - Step 4: Simplify right side
1,588,722.26x = 1,994,032,696,670.63 - Step 5: Solve for x
x = 1,994,032,696,670.63/1,588,722.26 - Step 6: Final answer
x = 1,255,117.24
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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.