Finding the Fourth Proportional to 6,463,278.36, 8,919,384.12 and 3,562,772.85
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Solution
The fourth proportional to 6,463,278.36, 8,919,384.12 and 3,562,772.85 is: 4,916,659.60
Step by Step Solution
- Step 1: Write the proportion equation
6,463,278.36 : 8,919,384.12 = 3,562,772.85 : x - Step 2: Convert to fraction form
6,463,278.36/8,919,384.12 = 3,562,772.85/x - Step 3: Cross multiply
6,463,278.36x = 8,919,384.12 × 3,562,772.85 - Step 4: Simplify right side
6,463,278.36x = 31,777,739,581,457.14 - Step 5: Solve for x
x = 31,777,739,581,457.14/6,463,278.36 - Step 6: Final answer
x = 4,916,659.60
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.