Finding the Fourth Proportional to 4,602,584.56, 6,902,769.30 and 1,407,738.28
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Solution
The fourth proportional to 4,602,584.56, 6,902,769.30 and 1,407,738.28 is: 2,111,268.67
Step by Step Solution
- Step 1: Write the proportion equation
4,602,584.56 : 6,902,769.30 = 1,407,738.28 : x - Step 2: Convert to fraction form
4,602,584.56/6,902,769.30 = 1,407,738.28/x - Step 3: Cross multiply
4,602,584.56x = 6,902,769.30 × 1,407,738.28 - Step 4: Simplify right side
4,602,584.56x = 9,717,292,581,618.81 - Step 5: Solve for x
x = 9,717,292,581,618.81/4,602,584.56 - Step 6: Final answer
x = 2,111,268.67
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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.