Finding the Fourth Proportional to 4,014,146.61, 5,539,562.19 and 2,178,621.18
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Solution
The fourth proportional to 4,014,146.61, 5,539,562.19 and 2,178,621.18 is: 3,006,518.87
Step by Step Solution
- Step 1: Write the proportion equation
4,014,146.61 : 5,539,562.19 = 2,178,621.18 : x - Step 2: Convert to fraction form
4,014,146.61/5,539,562.19 = 2,178,621.18/x - Step 3: Cross multiply
4,014,146.61x = 5,539,562.19 × 2,178,621.18 - Step 4: Simplify right side
4,014,146.61x = 12,068,607,515,061.19 - Step 5: Solve for x
x = 12,068,607,515,061.19/4,014,146.61 - Step 6: Final answer
x = 3,006,518.87
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.