Finding the Fourth Proportional to 4,992,449.28, 6,887,730.83 and 3,688,844.19
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Solution
The fourth proportional to 4,992,449.28, 6,887,730.83 and 3,688,844.19 is: 5,089,238.65
Step by Step Solution
- Step 1: Write the proportion equation
4,992,449.28 : 6,887,730.83 = 3,688,844.19 : x - Step 2: Convert to fraction form
4,992,449.28/6,887,730.83 = 3,688,844.19/x - Step 3: Cross multiply
4,992,449.28x = 6,887,730.83 × 3,688,844.19 - Step 4: Simplify right side
4,992,449.28x = 25,407,765,836,085.16 - Step 5: Solve for x
x = 25,407,765,836,085.16/4,992,449.28 - Step 6: Final answer
x = 5,089,238.65
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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.