Finding the Fourth Proportional to 4,610,407.80, 6,915,611.70 and 4,295,479.80
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Solution
The fourth proportional to 4,610,407.80, 6,915,611.70 and 4,295,479.80 is: 6,443,219.70
Step by Step Solution
- Step 1: Write the proportion equation
4,610,407.80 : 6,915,611.70 = 4,295,479.80 : x - Step 2: Convert to fraction form
4,610,407.80/6,915,611.70 = 4,295,479.80/x - Step 3: Cross multiply
4,610,407.80x = 6,915,611.70 × 4,295,479.80 - Step 4: Simplify right side
4,610,407.80x = 29,705,870,361,993.66 - Step 5: Solve for x
x = 29,705,870,361,993.66/4,610,407.80 - Step 6: Final answer
x = 6,443,219.70
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1.5x scale
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.