Finding the Fourth Proportional to 1,449,643.70, 2,173,083.15 and 1,129,618.10
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Solution
The fourth proportional to 1,449,643.70, 2,173,083.15 and 1,129,618.10 is: 1,693,349.93
Step by Step Solution
- Step 1: Write the proportion equation
1,449,643.70 : 2,173,083.15 = 1,129,618.10 : x - Step 2: Convert to fraction form
1,449,643.70/2,173,083.15 = 1,129,618.10/x - Step 3: Cross multiply
1,449,643.70x = 2,173,083.15 × 1,129,618.10 - Step 4: Simplify right side
1,449,643.70x = 2,454,754,059,045.02 - Step 5: Solve for x
x = 2,454,754,059,045.02/1,449,643.70 - Step 6: Final answer
x = 1,693,349.93
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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.