Finding the Fourth Proportional to 5,479,722.70, 8,235,330.45 and 4,786,881.10
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Solution
The fourth proportional to 5,479,722.70, 8,235,330.45 and 4,786,881.10 is: 7,194,077.12
Step by Step Solution
- Step 1: Write the proportion equation
5,479,722.70 : 8,235,330.45 = 4,786,881.10 : x - Step 2: Convert to fraction form
5,479,722.70/8,235,330.45 = 4,786,881.10/x - Step 3: Cross multiply
5,479,722.70x = 8,235,330.45 × 4,786,881.10 - Step 4: Simplify right side
5,479,722.70x = 39,421,547,683,359.49 - Step 5: Solve for x
x = 39,421,547,683,359.49/5,479,722.70 - Step 6: Final answer
x = 7,194,077.12
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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.