Finding the Fourth Proportional to 4,098,982.70, 6,148,474.05 and 1,258,725.80
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Solution
The fourth proportional to 4,098,982.70, 6,148,474.05 and 1,258,725.80 is: 1,888,088.70
Step by Step Solution
- Step 1: Write the proportion equation
4,098,982.70 : 6,148,474.05 = 1,258,725.80 : x - Step 2: Convert to fraction form
4,098,982.70/6,148,474.05 = 1,258,725.80/x - Step 3: Cross multiply
4,098,982.70x = 6,148,474.05 × 1,258,725.80 - Step 4: Simplify right side
4,098,982.70x = 7,739,242,917,365.49 - Step 5: Solve for x
x = 7,739,242,917,365.49/4,098,982.70 - Step 6: Final answer
x = 1,888,088.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.