Finding the Fourth Proportional to 5,427,685.80, 8,129,718.90 and 3,294,048.60
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Solution
The fourth proportional to 5,427,685.80, 8,129,718.90 and 3,294,048.60 is: 4,933,905.56
Step by Step Solution
- Step 1: Write the proportion equation
5,427,685.80 : 8,129,718.90 = 3,294,048.60 : x - Step 2: Convert to fraction form
5,427,685.80/8,129,718.90 = 3,294,048.60/x - Step 3: Cross multiply
5,427,685.80x = 8,129,718.90 × 3,294,048.60 - Step 4: Simplify right side
5,427,685.80x = 26,779,689,160,938.54 - Step 5: Solve for x
x = 26,779,689,160,938.54/5,427,685.80 - Step 6: Final answer
x = 4,933,905.56
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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.