Finding the Fourth Proportional to 5,083,674.48, 7,621,819.20 and 2,386,612.08
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Solution
The fourth proportional to 5,083,674.48, 7,621,819.20 and 2,386,612.08 is: 3,578,184.61
Step by Step Solution
- Step 1: Write the proportion equation
5,083,674.48 : 7,621,819.20 = 2,386,612.08 : x - Step 2: Convert to fraction form
5,083,674.48/7,621,819.20 = 2,386,612.08/x - Step 3: Cross multiply
5,083,674.48x = 7,621,819.20 × 2,386,612.08 - Step 4: Simplify right side
5,083,674.48x = 18,190,325,774,295.94 - Step 5: Solve for x
x = 18,190,325,774,295.94/5,083,674.48 - Step 6: Final answer
x = 3,578,184.61
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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.