Finding the Fourth Proportional to 3,416,618.49, 5,125,993.83 and 1,020,557.67
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Solution
The fourth proportional to 3,416,618.49, 5,125,993.83 and 1,020,557.67 is: 1,531,154.95
Step by Step Solution
- Step 1: Write the proportion equation
3,416,618.49 : 5,125,993.83 = 1,020,557.67 : x - Step 2: Convert to fraction form
3,416,618.49/5,125,993.83 = 1,020,557.67/x - Step 3: Cross multiply
3,416,618.49x = 5,125,993.83 × 1,020,557.67 - Step 4: Simplify right side
3,416,618.49x = 5,231,372,319,579.18 - Step 5: Solve for x
x = 5,231,372,319,579.18/3,416,618.49 - Step 6: Final answer
x = 1,531,154.95
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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.