Finding the Fourth Proportional to 5,341,617.43, 7,371,421.74 and 2,894,294.71
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Solution
The fourth proportional to 5,341,617.43, 7,371,421.74 and 2,894,294.71 is: 3,994,121.12
Step by Step Solution
- Step 1: Write the proportion equation
5,341,617.43 : 7,371,421.74 = 2,894,294.71 : x - Step 2: Convert to fraction form
5,341,617.43/7,371,421.74 = 2,894,294.71/x - Step 3: Cross multiply
5,341,617.43x = 7,371,421.74 × 2,894,294.71 - Step 4: Simplify right side
5,341,617.43x = 21,335,066,956,475.27 - Step 5: Solve for x
x = 21,335,066,956,475.27/5,341,617.43 - Step 6: Final answer
x = 3,994,121.12
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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.