Finding the Fourth Proportional to 1,539,816.19, 2,124,960.10 and 851,534.35
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Solution
The fourth proportional to 1,539,816.19, 2,124,960.10 and 851,534.35 is: 1,175,125.02
Step by Step Solution
- Step 1: Write the proportion equation
1,539,816.19 : 2,124,960.10 = 851,534.35 : x - Step 2: Convert to fraction form
1,539,816.19/2,124,960.10 = 851,534.35/x - Step 3: Cross multiply
1,539,816.19x = 2,124,960.10 × 851,534.35 - Step 4: Simplify right side
1,539,816.19x = 1,809,476,526,567.30 - Step 5: Solve for x
x = 1,809,476,526,567.30/1,539,816.19 - Step 6: Final answer
x = 1,175,125.02
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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.