Finding the Fourth Proportional to 1,663,497.10, 2,493,509 and 1,206,985.42
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Solution
The fourth proportional to 1,663,497.10, 2,493,509 and 1,206,985.42 is: 1,809,218.07
Step by Step Solution
- Step 1: Write the proportion equation
1,663,497.10 : 2,493,509 = 1,206,985.42 : x - Step 2: Convert to fraction form
1,663,497.10/2,493,509 = 1,206,985.42/x - Step 3: Cross multiply
1,663,497.10x = 2,493,509 × 1,206,985.42 - Step 4: Simplify right side
1,663,497.10x = 3,009,629,007,638.78 - Step 5: Solve for x
x = 3,009,629,007,638.78/1,663,497.10 - Step 6: Final answer
x = 1,809,218.07
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.