Finding the Fourth Proportional to 3,317,329.35, 4,976,220.15 and 1,128,007.62
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Solution
The fourth proportional to 3,317,329.35, 4,976,220.15 and 1,128,007.62 is: 1,692,088.32
Step by Step Solution
- Step 1: Write the proportion equation
3,317,329.35 : 4,976,220.15 = 1,128,007.62 : x - Step 2: Convert to fraction form
3,317,329.35/4,976,220.15 = 1,128,007.62/x - Step 3: Cross multiply
3,317,329.35x = 4,976,220.15 × 1,128,007.62 - Step 4: Simplify right side
3,317,329.35x = 5,613,214,247,997.54 - Step 5: Solve for x
x = 5,613,214,247,997.54/3,317,329.35 - Step 6: Final answer
x = 1,692,088.32
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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.