Finding the Fourth Proportional to 1,616,387.20, 2,424,350.40 and 551,478.40
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Solution
The fourth proportional to 1,616,387.20, 2,424,350.40 and 551,478.40 is: 827,138.99
Step by Step Solution
- Step 1: Write the proportion equation
1,616,387.20 : 2,424,350.40 = 551,478.40 : x - Step 2: Convert to fraction form
1,616,387.20/2,424,350.40 = 551,478.40/x - Step 3: Cross multiply
1,616,387.20x = 2,424,350.40 × 551,478.40 - Step 4: Simplify right side
1,616,387.20x = 1,336,976,879,631.36 - Step 5: Solve for x
x = 1,336,976,879,631.36/1,616,387.20 - Step 6: Final answer
x = 827,138.99
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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.