Finding the Fourth Proportional to 2,631,392.19, 3,631,320.18 and 1,424,168.19
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Solution
The fourth proportional to 2,631,392.19, 3,631,320.18 and 1,424,168.19 is: 1,965,351.54
Step by Step Solution
- Step 1: Write the proportion equation
2,631,392.19 : 3,631,320.18 = 1,424,168.19 : x - Step 2: Convert to fraction form
2,631,392.19/3,631,320.18 = 1,424,168.19/x - Step 3: Cross multiply
2,631,392.19x = 3,631,320.18 × 1,424,168.19 - Step 4: Simplify right side
2,631,392.19x = 5,171,610,688,061.07 - Step 5: Solve for x
x = 5,171,610,688,061.07/2,631,392.19 - Step 6: Final answer
x = 1,965,351.54
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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.