Finding the Fourth Proportional to 2,129,217.82, 3,194,330.10 and 689,898.82
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Solution
The fourth proportional to 2,129,217.82, 3,194,330.10 and 689,898.82 is: 1,035,011.32
Step by Step Solution
- Step 1: Write the proportion equation
2,129,217.82 : 3,194,330.10 = 689,898.82 : x - Step 2: Convert to fraction form
2,129,217.82/3,194,330.10 = 689,898.82/x - Step 3: Cross multiply
2,129,217.82x = 3,194,330.10 × 689,898.82 - Step 4: Simplify right side
2,129,217.82x = 2,203,764,547,259.34 - Step 5: Solve for x
x = 2,203,764,547,259.34/2,129,217.82 - Step 6: Final answer
x = 1,035,011.32
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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.