Finding the Fourth Proportional to 1,666,163.32, 2,299,316.42 and 902,216.88
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Solution
The fourth proportional to 1,666,163.32, 2,299,316.42 and 902,216.88 is: 1,245,065.27
Step by Step Solution
- Step 1: Write the proportion equation
1,666,163.32 : 2,299,316.42 = 902,216.88 : x - Step 2: Convert to fraction form
1,666,163.32/2,299,316.42 = 902,216.88/x - Step 3: Cross multiply
1,666,163.32x = 2,299,316.42 × 902,216.88 - Step 4: Simplify right side
1,666,163.32x = 2,074,482,088,840.71 - Step 5: Solve for x
x = 2,074,482,088,840.71/1,666,163.32 - Step 6: Final answer
x = 1,245,065.27
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.