Finding the Fourth Proportional to 4,290,042.08, 6,435,057.12 and 1,095,168.32
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Solution
The fourth proportional to 4,290,042.08, 6,435,057.12 and 1,095,168.32 is: 1,642,750.95
Step by Step Solution
- Step 1: Write the proportion equation
4,290,042.08 : 6,435,057.12 = 1,095,168.32 : x - Step 2: Convert to fraction form
4,290,042.08/6,435,057.12 = 1,095,168.32/x - Step 3: Cross multiply
4,290,042.08x = 6,435,057.12 × 1,095,168.32 - Step 4: Simplify right side
4,290,042.08x = 7,047,470,695,214.44 - Step 5: Solve for x
x = 7,047,470,695,214.44/4,290,042.08 - Step 6: Final answer
x = 1,642,750.95
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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.