Finding the Fourth Proportional to 6,505,603.75, 8,977,785.95 and 3,605,043.02
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Solution
The fourth proportional to 6,505,603.75, 8,977,785.95 and 3,605,043.02 is: 4,974,988.61
Step by Step Solution
- Step 1: Write the proportion equation
6,505,603.75 : 8,977,785.95 = 3,605,043.02 : x - Step 2: Convert to fraction form
6,505,603.75/8,977,785.95 = 3,605,043.02/x - Step 3: Cross multiply
6,505,603.75x = 8,977,785.95 × 3,605,043.02 - Step 4: Simplify right side
6,505,603.75x = 32,365,304,574,101.57 - Step 5: Solve for x
x = 32,365,304,574,101.57/6,505,603.75 - Step 6: Final answer
x = 4,974,988.61
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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.