Finding the Fourth Proportional to 3,628,251.05, 5,006,921.64 and 1,974,341.75
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Solution
The fourth proportional to 3,628,251.05, 5,006,921.64 and 1,974,341.75 is: 2,724,556.35
Step by Step Solution
- Step 1: Write the proportion equation
3,628,251.05 : 5,006,921.64 = 1,974,341.75 : x - Step 2: Convert to fraction form
3,628,251.05/5,006,921.64 = 1,974,341.75/x - Step 3: Cross multiply
3,628,251.05x = 5,006,921.64 × 1,974,341.75 - Step 4: Simplify right side
3,628,251.05x = 9,885,374,432,830.47 - Step 5: Solve for x
x = 9,885,374,432,830.47/3,628,251.05 - Step 6: Final answer
x = 2,724,556.35
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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.