Finding the Fourth Proportional to 4,869,153.80, 6,718,225 and 3,148,203.52
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Solution
The fourth proportional to 4,869,153.80, 6,718,225 and 3,148,203.52 is: 4,343,740.30
Step by Step Solution
- Step 1: Write the proportion equation
4,869,153.80 : 6,718,225 = 3,148,203.52 : x - Step 2: Convert to fraction form
4,869,153.80/6,718,225 = 3,148,203.52/x - Step 3: Cross multiply
4,869,153.80x = 6,718,225 × 3,148,203.52 - Step 4: Simplify right side
4,869,153.80x = 21,150,339,593,152 - Step 5: Solve for x
x = 21,150,339,593,152/4,869,153.80 - Step 6: Final answer
x = 4,343,740.30
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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.