Finding the Fourth Proportional to 5,317,214.71, 7,337,718.97 and 2,902,766.71
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Solution
The fourth proportional to 5,317,214.71, 7,337,718.97 and 2,902,766.71 is: 4,005,797.68
Step by Step Solution
- Step 1: Write the proportion equation
5,317,214.71 : 7,337,718.97 = 2,902,766.71 : x - Step 2: Convert to fraction form
5,317,214.71/7,337,718.97 = 2,902,766.71/x - Step 3: Cross multiply
5,317,214.71x = 7,337,718.97 × 2,902,766.71 - Step 4: Simplify right side
5,317,214.71x = 21,299,686,353,451.49 - Step 5: Solve for x
x = 21,299,686,353,451.49/5,317,214.71 - Step 6: Final answer
x = 4,005,797.68
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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.