Finding the Fourth Proportional to 4,317,211.29, 6,475,728.01 and 1,438,787.15
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Solution
The fourth proportional to 4,317,211.29, 6,475,728.01 and 1,438,787.15 is: 2,158,151.09
Step by Step Solution
- Step 1: Write the proportion equation
4,317,211.29 : 6,475,728.01 = 1,438,787.15 : x - Step 2: Convert to fraction form
4,317,211.29/6,475,728.01 = 1,438,787.15/x - Step 3: Cross multiply
4,317,211.29x = 6,475,728.01 × 1,438,787.15 - Step 4: Simplify right side
4,317,211.29x = 9,317,194,247,683.07 - Step 5: Solve for x
x = 9,317,194,247,683.07/4,317,211.29 - Step 6: Final answer
x = 2,158,151.09
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1.5x scale
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.