Finding the Fourth Proportional to 6,621,554.08, 9,137,450 and 3,868,496.80
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Solution
The fourth proportional to 6,621,554.08, 9,137,450 and 3,868,496.80 is: 5,338,353.45
Step by Step Solution
- Step 1: Write the proportion equation
6,621,554.08 : 9,137,450 = 3,868,496.80 : x - Step 2: Convert to fraction form
6,621,554.08/9,137,450 = 3,868,496.80/x - Step 3: Cross multiply
6,621,554.08x = 9,137,450 × 3,868,496.80 - Step 4: Simplify right side
6,621,554.08x = 35,348,196,085,160 - Step 5: Solve for x
x = 35,348,196,085,160/6,621,554.08 - Step 6: Final answer
x = 5,338,353.45
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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.