Finding the Fourth Proportional to 4,872,388.24, 6,725,830.44 and 3,302,880.40
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Solution
The fourth proportional to 4,872,388.24, 6,725,830.44 and 3,302,880.40 is: 4,559,286.42
Step by Step Solution
- Step 1: Write the proportion equation
4,872,388.24 : 6,725,830.44 = 3,302,880.40 : x - Step 2: Convert to fraction form
4,872,388.24/6,725,830.44 = 3,302,880.40/x - Step 3: Cross multiply
4,872,388.24x = 6,725,830.44 × 3,302,880.40 - Step 4: Simplify right side
4,872,388.24x = 22,214,613,533,999.38 - Step 5: Solve for x
x = 22,214,613,533,999.38/4,872,388.24 - Step 6: Final answer
x = 4,559,286.42
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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.