Finding the Fourth Proportional to 2,916,227.68, 4,024,388.64 and 1,626,991.36
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Solution
The fourth proportional to 2,916,227.68, 4,024,388.64 and 1,626,991.36 is: 2,245,244.98
Step by Step Solution
- Step 1: Write the proportion equation
2,916,227.68 : 4,024,388.64 = 1,626,991.36 : x - Step 2: Convert to fraction form
2,916,227.68/4,024,388.64 = 1,626,991.36/x - Step 3: Cross multiply
2,916,227.68x = 4,024,388.64 × 1,626,991.36 - Step 4: Simplify right side
2,916,227.68x = 6,547,645,546,562.15 - Step 5: Solve for x
x = 6,547,645,546,562.15/2,916,227.68 - Step 6: Final answer
x = 2,245,244.98
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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.