Finding the Fourth Proportional to 4,780,328.08, 7,170,472.68 and 1,940,416.24
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Solution
The fourth proportional to 4,780,328.08, 7,170,472.68 and 1,940,416.24 is: 2,910,616.47
Step by Step Solution
- Step 1: Write the proportion equation
4,780,328.08 : 7,170,472.68 = 1,940,416.24 : x - Step 2: Convert to fraction form
4,780,328.08/7,170,472.68 = 1,940,416.24/x - Step 3: Cross multiply
4,780,328.08x = 7,170,472.68 × 1,940,416.24 - Step 4: Simplify right side
4,780,328.08x = 13,913,701,636,748.32 - Step 5: Solve for x
x = 13,913,701,636,748.32/4,780,328.08 - Step 6: Final answer
x = 2,910,616.47
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1.5x scale
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.