Finding the Fourth Proportional to 5,409,253.81, 8,101,000.18 and 3,129,974.71
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Solution
The fourth proportional to 5,409,253.81, 8,101,000.18 and 3,129,974.71 is: 4,687,508.96
Step by Step Solution
- Step 1: Write the proportion equation
5,409,253.81 : 8,101,000.18 = 3,129,974.71 : x - Step 2: Convert to fraction form
5,409,253.81/8,101,000.18 = 3,129,974.71/x - Step 3: Cross multiply
5,409,253.81x = 8,101,000.18 × 3,129,974.71 - Step 4: Simplify right side
5,409,253.81x = 25,355,925,689,105.45 - Step 5: Solve for x
x = 25,355,925,689,105.45/5,409,253.81 - Step 6: Final answer
x = 4,687,508.96
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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.