Finding the Fourth Proportional to 2,625,082.70, 3,622,616.55 and 1,417,858.70
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Solution
The fourth proportional to 2,625,082.70, 3,622,616.55 and 1,417,858.70 is: 1,956,646.31
Step by Step Solution
- Step 1: Write the proportion equation
2,625,082.70 : 3,622,616.55 = 1,417,858.70 : x - Step 2: Convert to fraction form
2,625,082.70/3,622,616.55 = 1,417,858.70/x - Step 3: Cross multiply
2,625,082.70x = 3,622,616.55 × 1,417,858.70 - Step 4: Simplify right side
2,625,082.70x = 5,136,358,374,068.40 - Step 5: Solve for x
x = 5,136,358,374,068.40/2,625,082.70 - Step 6: Final answer
x = 1,956,646.31
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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.