Finding the Fourth Proportional to 4,517,828.93, 6,779,436.19 and 1,639,420.36
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Solution
The fourth proportional to 4,517,828.93, 6,779,436.19 and 1,639,420.36 is: 2,460,107.69
Step by Step Solution
- Step 1: Write the proportion equation
4,517,828.93 : 6,779,436.19 = 1,639,420.36 : x - Step 2: Convert to fraction form
4,517,828.93/6,779,436.19 = 1,639,420.36/x - Step 3: Cross multiply
4,517,828.93x = 6,779,436.19 × 1,639,420.36 - Step 4: Simplify right side
4,517,828.93x = 11,114,345,707,381.43 - Step 5: Solve for x
x = 11,114,345,707,381.43/4,517,828.93 - Step 6: Final answer
x = 2,460,107.69
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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.