Finding the Fourth Proportional to 4,879,073.79, 7,318,970.19 and 1,284,815.84
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Solution
The fourth proportional to 4,879,073.79, 7,318,970.19 and 1,284,815.84 is: 1,927,318.42
Step by Step Solution
- Step 1: Write the proportion equation
4,879,073.79 : 7,318,970.19 = 1,284,815.84 : x - Step 2: Convert to fraction form
4,879,073.79/7,318,970.19 = 1,284,815.84/x - Step 3: Cross multiply
4,879,073.79x = 7,318,970.19 × 1,284,815.84 - Step 4: Simplify right side
4,879,073.79x = 9,403,528,796,004.96 - Step 5: Solve for x
x = 9,403,528,796,004.96/4,879,073.79 - Step 6: Final answer
x = 1,927,318.42
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.