Finding the Fourth Proportional to 4,669,513.20, 7,000,381.80 and 1,975,906.80
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Solution
The fourth proportional to 4,669,513.20, 7,000,381.80 and 1,975,906.80 is: 2,962,214.99
Step by Step Solution
- Step 1: Write the proportion equation
4,669,513.20 : 7,000,381.80 = 1,975,906.80 : x - Step 2: Convert to fraction form
4,669,513.20/7,000,381.80 = 1,975,906.80/x - Step 3: Cross multiply
4,669,513.20x = 7,000,381.80 × 1,975,906.80 - Step 4: Simplify right side
4,669,513.20x = 13,832,102,001,216.24 - Step 5: Solve for x
x = 13,832,102,001,216.24/4,669,513.20 - Step 6: Final answer
x = 2,962,214.99
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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.