Finding the Fourth Proportional to 1,609,663.70, 2,414,495.55 and 1,563,007.70
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Solution
The fourth proportional to 1,609,663.70, 2,414,495.55 and 1,563,007.70 is: 2,344,511.55
Step by Step Solution
- Step 1: Write the proportion equation
1,609,663.70 : 2,414,495.55 = 1,563,007.70 : x - Step 2: Convert to fraction form
1,609,663.70/2,414,495.55 = 1,563,007.70/x - Step 3: Cross multiply
1,609,663.70x = 2,414,495.55 × 1,563,007.70 - Step 4: Simplify right side
1,609,663.70x = 3,773,875,136,265.73 - Step 5: Solve for x
x = 3,773,875,136,265.73/1,609,663.70 - Step 6: Final answer
x = 2,344,511.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.