Finding the Fourth Proportional to 1,316,470.62, 1,816,048.60 and 833,316.07
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Solution
The fourth proportional to 1,316,470.62, 1,816,048.60 and 833,316.07 is: 1,149,545.20
Step by Step Solution
- Step 1: Write the proportion equation
1,316,470.62 : 1,816,048.60 = 833,316.07 : x - Step 2: Convert to fraction form
1,316,470.62/1,816,048.60 = 833,316.07/x - Step 3: Cross multiply
1,316,470.62x = 1,816,048.60 × 833,316.07 - Step 4: Simplify right side
1,316,470.62x = 1,513,342,478,114.42 - Step 5: Solve for x
x = 1,513,342,478,114.42/1,316,470.62 - Step 6: Final answer
x = 1,149,545.20
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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.