Finding the Fourth Proportional to 2,195,949.31, 3,289,126.66 and 912,665.99
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Solution
The fourth proportional to 2,195,949.31, 3,289,126.66 and 912,665.99 is: 1,367,005.16
Step by Step Solution
- Step 1: Write the proportion equation
2,195,949.31 : 3,289,126.66 = 912,665.99 : x - Step 2: Convert to fraction form
2,195,949.31/3,289,126.66 = 912,665.99/x - Step 3: Cross multiply
2,195,949.31x = 3,289,126.66 × 912,665.99 - Step 4: Simplify right side
2,195,949.31x = 3,001,874,039,384.29 - Step 5: Solve for x
x = 3,001,874,039,384.29/2,195,949.31 - Step 6: Final answer
x = 1,367,005.16
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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.