Finding the Fourth Proportional to 4,888,913.18, 6,747,940.32 and 3,340,801.50
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Solution
The fourth proportional to 4,888,913.18, 6,747,940.32 and 3,340,801.50 is: 4,611,153.50
Step by Step Solution
- Step 1: Write the proportion equation
4,888,913.18 : 6,747,940.32 = 3,340,801.50 : x - Step 2: Convert to fraction form
4,888,913.18/6,747,940.32 = 3,340,801.50/x - Step 3: Cross multiply
4,888,913.18x = 6,747,940.32 × 3,340,801.50 - Step 4: Simplify right side
4,888,913.18x = 22,543,529,142,966.48 - Step 5: Solve for x
x = 22,543,529,142,966.48/4,888,913.18 - Step 6: Final answer
x = 4,611,153.50
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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.