Finding the Fourth Proportional to 4,990,959.30, 6,887,544.60 and 2,699,120.00
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Solution
The fourth proportional to 4,990,959.30, 6,887,544.60 and 2,699,120.00 is: 3,724,796.82
Step by Step Solution
- Step 1: Write the proportion equation
4,990,959.30 : 6,887,544.60 = 2,699,120.00 : x - Step 2: Convert to fraction form
4,990,959.30/6,887,544.60 = 2,699,120.00/x - Step 3: Cross multiply
4,990,959.30x = 6,887,544.60 × 2,699,120.00 - Step 4: Simplify right side
4,990,959.30x = 18,590,309,346,314.28 - Step 5: Solve for x
x = 18,590,309,346,314.28/4,990,959.30 - Step 6: Final answer
x = 3,724,796.82
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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.