Finding the Fourth Proportional to 2,989,207.44, 4,125,205.80 and 1,631,154.96
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Solution
The fourth proportional to 2,989,207.44, 4,125,205.80 and 1,631,154.96 is: 2,251,048.16
Step by Step Solution
- Step 1: Write the proportion equation
2,989,207.44 : 4,125,205.80 = 1,631,154.96 : x - Step 2: Convert to fraction form
2,989,207.44/4,125,205.80 = 1,631,154.96/x - Step 3: Cross multiply
2,989,207.44x = 4,125,205.80 × 1,631,154.96 - Step 4: Simplify right side
2,989,207.44x = 6,728,849,901,690.77 - Step 5: Solve for x
x = 6,728,849,901,690.77/2,989,207.44 - Step 6: Final answer
x = 2,251,048.16
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.