Finding the Fourth Proportional to 1,542,696.75, 2,129,492.75 and 930,875.31
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Solution
The fourth proportional to 1,542,696.75, 2,129,492.75 and 930,875.31 is: 1,284,952.61
Step by Step Solution
- Step 1: Write the proportion equation
1,542,696.75 : 2,129,492.75 = 930,875.31 : x - Step 2: Convert to fraction form
1,542,696.75/2,129,492.75 = 930,875.31/x - Step 3: Cross multiply
1,542,696.75x = 2,129,492.75 × 930,875.31 - Step 4: Simplify right side
1,542,696.75x = 1,982,292,219,144.63 - Step 5: Solve for x
x = 1,982,292,219,144.63/1,542,696.75 - Step 6: Final answer
x = 1,284,952.61
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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.