Finding the Fourth Proportional to 4,213,707.36, 5,814,873.36 and 2,279,925.60
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Solution
The fourth proportional to 4,213,707.36, 5,814,873.36 and 2,279,925.60 is: 3,146,274.17
Step by Step Solution
- Step 1: Write the proportion equation
4,213,707.36 : 5,814,873.36 = 2,279,925.60 : x - Step 2: Convert to fraction form
4,213,707.36/5,814,873.36 = 2,279,925.60/x - Step 3: Cross multiply
4,213,707.36x = 5,814,873.36 × 2,279,925.60 - Step 4: Simplify right side
4,213,707.36x = 13,257,478,634,222.02 - Step 5: Solve for x
x = 13,257,478,634,222.02/4,213,707.36 - Step 6: Final answer
x = 3,146,274.17
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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.