Finding the Fourth Proportional to 4,431,135.57, 6,646,702.59 and 1,400,629.28
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Solution
The fourth proportional to 4,431,135.57, 6,646,702.59 and 1,400,629.28 is: 2,100,943.67
Step by Step Solution
- Step 1: Write the proportion equation
4,431,135.57 : 6,646,702.59 = 1,400,629.28 : x - Step 2: Convert to fraction form
4,431,135.57/6,646,702.59 = 1,400,629.28/x - Step 3: Cross multiply
4,431,135.57x = 6,646,702.59 × 1,400,629.28 - Step 4: Simplify right side
4,431,135.57x = 9,309,566,229,772.32 - Step 5: Solve for x
x = 9,309,566,229,772.32/4,431,135.57 - Step 6: Final answer
x = 2,100,943.67
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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.