Finding the Fourth Proportional to 3,391,098, 4,678,557.84 and 2,101,467.84
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Solution
The fourth proportional to 3,391,098, 4,678,557.84 and 2,101,467.84 is: 2,899,308.38
Step by Step Solution
- Step 1: Write the proportion equation
3,391,098 : 4,678,557.84 = 2,101,467.84 : x - Step 2: Convert to fraction form
3,391,098/4,678,557.84 = 2,101,467.84/x - Step 3: Cross multiply
3,391,098x = 4,678,557.84 × 2,101,467.84 - Step 4: Simplify right side
3,391,098x = 9,831,838,838,339.87 - Step 5: Solve for x
x = 9,831,838,838,339.87/3,391,098 - Step 6: Final answer
x = 2,899,308.38
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1.5x scale
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.