Finding the Fourth Proportional to 2,183,994.23, 3,013,922.14 and 1,266,766.43
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Solution
The fourth proportional to 2,183,994.23, 3,013,922.14 and 1,266,766.43 is: 1,748,143.53
Step by Step Solution
- Step 1: Write the proportion equation
2,183,994.23 : 3,013,922.14 = 1,266,766.43 : x - Step 2: Convert to fraction form
2,183,994.23/3,013,922.14 = 1,266,766.43/x - Step 3: Cross multiply
2,183,994.23x = 3,013,922.14 × 1,266,766.43 - Step 4: Simplify right side
2,183,994.23x = 3,817,935,371,349.23 - Step 5: Solve for x
x = 3,817,935,371,349.23/2,183,994.23 - Step 6: Final answer
x = 1,748,143.53
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.