Finding the Fourth Proportional to 3,456,629.47, 5,185,193.32 and 1,326,713.58
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Solution
The fourth proportional to 3,456,629.47, 5,185,193.32 and 1,326,713.58 is: 1,990,165.99
Step by Step Solution
- Step 1: Write the proportion equation
3,456,629.47 : 5,185,193.32 = 1,326,713.58 : x - Step 2: Convert to fraction form
3,456,629.47/5,185,193.32 = 1,326,713.58/x - Step 3: Cross multiply
3,456,629.47x = 5,185,193.32 × 1,326,713.58 - Step 4: Simplify right side
3,456,629.47x = 6,879,266,413,672.15 - Step 5: Solve for x
x = 6,879,266,413,672.15/3,456,629.47 - Step 6: Final answer
x = 1,990,165.99
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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.