Finding the Fourth Proportional to 1,725,948.73, 2,381,601.34 and 990,862.49
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Solution
The fourth proportional to 1,725,948.73, 2,381,601.34 and 990,862.49 is: 1,367,270.88
Step by Step Solution
- Step 1: Write the proportion equation
1,725,948.73 : 2,381,601.34 = 990,862.49 : x - Step 2: Convert to fraction form
1,725,948.73/2,381,601.34 = 990,862.49/x - Step 3: Cross multiply
1,725,948.73x = 2,381,601.34 × 990,862.49 - Step 4: Simplify right side
1,725,948.73x = 2,359,839,433,939.74 - Step 5: Solve for x
x = 2,359,839,433,939.74/1,725,948.73 - Step 6: Final answer
x = 1,367,270.88
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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.