Finding the Fourth Proportional to 1,678,578.36, 2,518,611.76 and 879,669.96
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Solution
The fourth proportional to 1,678,578.36, 2,518,611.76 and 879,669.96 is: 1,319,894.95
Step by Step Solution
- Step 1: Write the proportion equation
1,678,578.36 : 2,518,611.76 = 879,669.96 : x - Step 2: Convert to fraction form
1,678,578.36/2,518,611.76 = 879,669.96/x - Step 3: Cross multiply
1,678,578.36x = 2,518,611.76 × 879,669.96 - Step 4: Simplify right side
1,678,578.36x = 2,215,547,106,174.73 - Step 5: Solve for x
x = 2,215,547,106,174.73/1,678,578.36 - Step 6: Final answer
x = 1,319,894.95
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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.