Finding the Fourth Proportional to 2,163,442.79, 3,243,722.67 and 1,191,265.02
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Solution
The fourth proportional to 2,163,442.79, 3,243,722.67 and 1,191,265.02 is: 1,786,103.78
Step by Step Solution
- Step 1: Write the proportion equation
2,163,442.79 : 3,243,722.67 = 1,191,265.02 : x - Step 2: Convert to fraction form
2,163,442.79/3,243,722.67 = 1,191,265.02/x - Step 3: Cross multiply
2,163,442.79x = 3,243,722.67 × 1,191,265.02 - Step 4: Simplify right side
2,163,442.79x = 3,864,133,351,352.00 - Step 5: Solve for x
x = 3,864,133,351,352.00/2,163,442.79 - Step 6: Final answer
x = 1,786,103.78
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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.