Finding the Fourth Proportional to 1,539,827.24, 2,124,975.34 and 851,545.40
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Solution
The fourth proportional to 1,539,827.24, 2,124,975.34 and 851,545.40 is: 1,175,140.26
Step by Step Solution
- Step 1: Write the proportion equation
1,539,827.24 : 2,124,975.34 = 851,545.40 : x - Step 2: Convert to fraction form
1,539,827.24/2,124,975.34 = 851,545.40/x - Step 3: Cross multiply
1,539,827.24x = 2,124,975.34 × 851,545.40 - Step 4: Simplify right side
1,539,827.24x = 1,809,512,975,890.44 - Step 5: Solve for x
x = 1,809,512,975,890.44/1,539,827.24 - Step 6: Final answer
x = 1,175,140.26
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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.