Finding the Fourth Proportional to 5,879,980.62, 8,818,104.69 and 1,889,959.50
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Solution
The fourth proportional to 5,879,980.62, 8,818,104.69 and 1,889,959.50 is: 2,834,339.40
Step by Step Solution
- Step 1: Write the proportion equation
5,879,980.62 : 8,818,104.69 = 1,889,959.50 : x - Step 2: Convert to fraction form
5,879,980.62/8,818,104.69 = 1,889,959.50/x - Step 3: Cross multiply
5,879,980.62x = 8,818,104.69 × 1,889,959.50 - Step 4: Simplify right side
5,879,980.62x = 16,665,860,730,860.05 - Step 5: Solve for x
x = 16,665,860,730,860.05/5,879,980.62 - Step 6: Final answer
x = 2,834,339.40
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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.