Finding the Fourth Proportional to 4,713,872.14, 7,069,687.08 and 1,302,083.20
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Solution
The fourth proportional to 4,713,872.14, 7,069,687.08 and 1,302,083.20 is: 1,952,815.12
Step by Step Solution
- Step 1: Write the proportion equation
4,713,872.14 : 7,069,687.08 = 1,302,083.20 : x - Step 2: Convert to fraction form
4,713,872.14/7,069,687.08 = 1,302,083.20/x - Step 3: Cross multiply
4,713,872.14x = 7,069,687.08 × 1,302,083.20 - Step 4: Simplify right side
4,713,872.14x = 9,205,320,776,125.06 - Step 5: Solve for x
x = 9,205,320,776,125.06/4,713,872.14 - Step 6: Final answer
x = 1,952,815.12
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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.