Finding the Fourth Proportional to 1,478,368.67, 2,040,148.42 and 833,787.47
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Solution
The fourth proportional to 1,478,368.67, 2,040,148.42 and 833,787.47 is: 1,150,626.52
Step by Step Solution
- Step 1: Write the proportion equation
1,478,368.67 : 2,040,148.42 = 833,787.47 : x - Step 2: Convert to fraction form
1,478,368.67/2,040,148.42 = 833,787.47/x - Step 3: Cross multiply
1,478,368.67x = 2,040,148.42 × 833,787.47 - Step 4: Simplify right side
1,478,368.67x = 1,701,050,192,552.20 - Step 5: Solve for x
x = 1,701,050,192,552.20/1,478,368.67 - Step 6: Final answer
x = 1,150,626.52
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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.