Finding the Fourth Proportional to 5,860,987.40, 8,785,065.90 and 2,072,520.20
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Solution
The fourth proportional to 5,860,987.40, 8,785,065.90 and 2,072,520.20 is: 3,106,511.80
Step by Step Solution
- Step 1: Write the proportion equation
5,860,987.40 : 8,785,065.90 = 2,072,520.20 : x - Step 2: Convert to fraction form
5,860,987.40/8,785,065.90 = 2,072,520.20/x - Step 3: Cross multiply
5,860,987.40x = 8,785,065.90 × 2,072,520.20 - Step 4: Simplify right side
5,860,987.40x = 18,207,226,536,081.18 - Step 5: Solve for x
x = 18,207,226,536,081.18/5,860,987.40 - Step 6: Final answer
x = 3,106,511.80
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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.