Finding the Fourth Proportional to 5,554,116.18, 8,328,178.67 and 2,519,826.35
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Solution
The fourth proportional to 5,554,116.18, 8,328,178.67 and 2,519,826.35 is: 3,778,380.45
Step by Step Solution
- Step 1: Write the proportion equation
5,554,116.18 : 8,328,178.67 = 2,519,826.35 : x - Step 2: Convert to fraction form
5,554,116.18/8,328,178.67 = 2,519,826.35/x - Step 3: Cross multiply
5,554,116.18x = 8,328,178.67 × 2,519,826.35 - Step 4: Simplify right side
5,554,116.18x = 20,985,564,005,933.93 - Step 5: Solve for x
x = 20,985,564,005,933.93/5,554,116.18 - Step 6: Final answer
x = 3,778,380.45
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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.