Finding the Fourth Proportional to 2,424,138.93, 3,345,614.55 and 1,391,969.70
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Solution
The fourth proportional to 2,424,138.93, 3,345,614.55 and 1,391,969.70 is: 1,921,092.07
Step by Step Solution
- Step 1: Write the proportion equation
2,424,138.93 : 3,345,614.55 = 1,391,969.70 : x - Step 2: Convert to fraction form
2,424,138.93/3,345,614.55 = 1,391,969.70/x - Step 3: Cross multiply
2,424,138.93x = 3,345,614.55 × 1,391,969.70 - Step 4: Simplify right side
2,424,138.93x = 4,656,994,081,479.14 - Step 5: Solve for x
x = 4,656,994,081,479.14/2,424,138.93 - Step 6: Final answer
x = 1,921,092.07
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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.