Finding the Fourth Proportional to 2,072,616.16, 2,860,167.20 and 1,154,841.60
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Solution
The fourth proportional to 2,072,616.16, 2,860,167.20 and 1,154,841.60 is: 1,593,657.39
Step by Step Solution
- Step 1: Write the proportion equation
2,072,616.16 : 2,860,167.20 = 1,154,841.60 : x - Step 2: Convert to fraction form
2,072,616.16/2,860,167.20 = 1,154,841.60/x - Step 3: Cross multiply
2,072,616.16x = 2,860,167.20 × 1,154,841.60 - Step 4: Simplify right side
2,072,616.16x = 3,303,040,065,515.52 - Step 5: Solve for x
x = 3,303,040,065,515.52/2,072,616.16 - Step 6: Final answer
x = 1,593,657.39
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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.