Finding the Fourth Proportional to 6,650,325.81, 9,177,551.49 and 3,896,354.28
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Solution
The fourth proportional to 6,650,325.81, 9,177,551.49 and 3,896,354.28 is: 5,377,028.59
Step by Step Solution
- Step 1: Write the proportion equation
6,650,325.81 : 9,177,551.49 = 3,896,354.28 : x - Step 2: Convert to fraction form
6,650,325.81/9,177,551.49 = 3,896,354.28/x - Step 3: Cross multiply
6,650,325.81x = 9,177,551.49 × 3,896,354.28 - Step 4: Simplify right side
6,650,325.81x = 35,758,992,027,981.88 - Step 5: Solve for x
x = 35,758,992,027,981.88/6,650,325.81 - Step 6: Final answer
x = 5,377,028.59
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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.