Finding the Fourth Proportional to 3,566,397.60, 4,921,532.64 and 2,170,435.68
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Solution
The fourth proportional to 3,566,397.60, 4,921,532.64 and 2,170,435.68 is: 2,995,142.79
Step by Step Solution
- Step 1: Write the proportion equation
3,566,397.60 : 4,921,532.64 = 2,170,435.68 : x - Step 2: Convert to fraction form
3,566,397.60/4,921,532.64 = 2,170,435.68/x - Step 3: Cross multiply
3,566,397.60x = 4,921,532.64 × 2,170,435.68 - Step 4: Simplify right side
3,566,397.60x = 10,681,870,042,140.60 - Step 5: Solve for x
x = 10,681,870,042,140.60/3,566,397.60 - Step 6: Final answer
x = 2,995,142.79
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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.