Finding the Fourth Proportional to 2,298,239.49, 3,171,087.84 and 1,331,311.71
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Solution
The fourth proportional to 2,298,239.49, 3,171,087.84 and 1,331,311.71 is: 1,836,930.57
Step by Step Solution
- Step 1: Write the proportion equation
2,298,239.49 : 3,171,087.84 = 1,331,311.71 : x - Step 2: Convert to fraction form
2,298,239.49/3,171,087.84 = 1,331,311.71/x - Step 3: Cross multiply
2,298,239.49x = 3,171,087.84 × 1,331,311.71 - Step 4: Simplify right side
2,298,239.49x = 4,221,706,374,830.61 - Step 5: Solve for x
x = 4,221,706,374,830.61/2,298,239.49 - Step 6: Final answer
x = 1,836,930.57
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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.