Finding the Fourth Proportional to 1,623,296.70, 2,432,871.45 and 1,247,456.70
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Solution
The fourth proportional to 1,623,296.70, 2,432,871.45 and 1,247,456.70 is: 1,869,591.55
Step by Step Solution
- Step 1: Write the proportion equation
1,623,296.70 : 2,432,871.45 = 1,247,456.70 : x - Step 2: Convert to fraction form
1,623,296.70/2,432,871.45 = 1,247,456.70/x - Step 3: Cross multiply
1,623,296.70x = 2,432,871.45 × 1,247,456.70 - Step 4: Simplify right side
1,623,296.70x = 3,034,901,790,541.22 - Step 5: Solve for x
x = 3,034,901,790,541.22/1,623,296.70 - Step 6: Final answer
x = 1,869,591.55
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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.