Finding the Fourth Proportional to 4,977,108.36, 6,868,296.57 and 2,771,956.26
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Solution
The fourth proportional to 4,977,108.36, 6,868,296.57 and 2,771,956.26 is: 3,825,236.72
Step by Step Solution
- Step 1: Write the proportion equation
4,977,108.36 : 6,868,296.57 = 2,771,956.26 : x - Step 2: Convert to fraction form
4,977,108.36/6,868,296.57 = 2,771,956.26/x - Step 3: Cross multiply
4,977,108.36x = 6,868,296.57 × 2,771,956.26 - Step 4: Simplify right side
4,977,108.36x = 19,038,617,672,748.03 - Step 5: Solve for x
x = 19,038,617,672,748.03/4,977,108.36 - Step 6: Final answer
x = 3,825,236.72
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.