Finding the Fourth Proportional to 5,214,755.70, 7,823,494.35 and 2,019,986.10
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Solution
The fourth proportional to 5,214,755.70, 7,823,494.35 and 2,019,986.10 is: 3,030,506.27
Step by Step Solution
- Step 1: Write the proportion equation
5,214,755.70 : 7,823,494.35 = 2,019,986.10 : x - Step 2: Convert to fraction form
5,214,755.70/7,823,494.35 = 2,019,986.10/x - Step 3: Cross multiply
5,214,755.70x = 7,823,494.35 × 2,019,986.10 - Step 4: Simplify right side
5,214,755.70x = 15,803,349,840,428.54 - Step 5: Solve for x
x = 15,803,349,840,428.54/5,214,755.70 - Step 6: Final answer
x = 3,030,506.27
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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.