Finding the Fourth Proportional to 1,419,190.11, 2,129,124.16 and 472,569.03
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Solution
The fourth proportional to 1,419,190.11, 2,129,124.16 and 472,569.03 is: 708,966.43
Step by Step Solution
- Step 1: Write the proportion equation
1,419,190.11 : 2,129,124.16 = 472,569.03 : x - Step 2: Convert to fraction form
1,419,190.11/2,129,124.16 = 472,569.03/x - Step 3: Cross multiply
1,419,190.11x = 2,129,124.16 × 472,569.03 - Step 4: Simplify right side
1,419,190.11x = 1,006,158,142,000.73 - Step 5: Solve for x
x = 1,006,158,142,000.73/1,419,190.11 - Step 6: Final answer
x = 708,966.43
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.