Finding the Fourth Proportional to 6,474,916.40, 9,078,154 and 6,474,916.40
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Solution
The fourth proportional to 6,474,916.40, 9,078,154 and 6,474,916.40 is: 9,078,154
Step by Step Solution
- Step 1: Write the proportion equation
6,474,916.40 : 9,078,154 = 6,474,916.40 : x - Step 2: Convert to fraction form
6,474,916.40/9,078,154 = 6,474,916.40/x - Step 3: Cross multiply
6,474,916.40x = 9,078,154 × 6,474,916.40 - Step 4: Simplify right side
6,474,916.40x = 58,780,288,216,325.60 - Step 5: Solve for x
x = 58,780,288,216,325.60/6,474,916.40 - Step 6: Final answer
x = 9,078,154
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.