Finding the Fourth Proportional to 4,886,902.10, 7,330,316.70 and 1,475,182.10
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Solution
The fourth proportional to 4,886,902.10, 7,330,316.70 and 1,475,182.10 is: 2,212,762.15
Step by Step Solution
- Step 1: Write the proportion equation
4,886,902.10 : 7,330,316.70 = 1,475,182.10 : x - Step 2: Convert to fraction form
4,886,902.10/7,330,316.70 = 1,475,182.10/x - Step 3: Cross multiply
4,886,902.10x = 7,330,316.70 × 1,475,182.10 - Step 4: Simplify right side
4,886,902.10x = 10,813,551,983,171.07 - Step 5: Solve for x
x = 10,813,551,983,171.07/4,886,902.10 - Step 6: Final answer
x = 2,212,762.15
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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.