Finding the Fourth Proportional to 5,020,206.80, 6,927,939.04 and 2,728,367.60
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Solution
The fourth proportional to 5,020,206.80, 6,927,939.04 and 2,728,367.60 is: 3,765,176.45
Step by Step Solution
- Step 1: Write the proportion equation
5,020,206.80 : 6,927,939.04 = 2,728,367.60 : x - Step 2: Convert to fraction form
5,020,206.80/6,927,939.04 = 2,728,367.60/x - Step 3: Cross multiply
5,020,206.80x = 6,927,939.04 × 2,728,367.60 - Step 4: Simplify right side
5,020,206.80x = 18,901,964,411,511.11 - Step 5: Solve for x
x = 18,901,964,411,511.11/5,020,206.80 - Step 6: Final answer
x = 3,765,176.45
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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.