Finding the Fourth Proportional to 6,603,936.64, 9,905,907.12 and 4,359,549.76
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Solution
The fourth proportional to 6,603,936.64, 9,905,907.12 and 4,359,549.76 is: 6,539,326.07
Step by Step Solution
- Step 1: Write the proportion equation
6,603,936.64 : 9,905,907.12 = 4,359,549.76 : x - Step 2: Convert to fraction form
6,603,936.64/9,905,907.12 = 4,359,549.76/x - Step 3: Cross multiply
6,603,936.64x = 9,905,907.12 × 4,359,549.76 - Step 4: Simplify right side
6,603,936.64x = 43,185,295,007,578.29 - Step 5: Solve for x
x = 43,185,295,007,578.29/6,603,936.64 - Step 6: Final answer
x = 6,539,326.07
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.