Finding the Fourth Proportional to 5,047,729.79, 6,965,830.72 and 2,755,890.48
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Solution
The fourth proportional to 5,047,729.79, 6,965,830.72 and 2,755,890.48 is: 3,803,108.99
Step by Step Solution
- Step 1: Write the proportion equation
5,047,729.79 : 6,965,830.72 = 2,755,890.48 : x - Step 2: Convert to fraction form
5,047,729.79/6,965,830.72 = 2,755,890.48/x - Step 3: Cross multiply
5,047,729.79x = 6,965,830.72 × 2,755,890.48 - Step 4: Simplify right side
5,047,729.79x = 19,197,066,566,539.54 - Step 5: Solve for x
x = 19,197,066,566,539.54/5,047,729.79 - Step 6: Final answer
x = 3,803,108.99
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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.