Finding the Fourth Proportional to 5,416,448.32, 8,122,090.20 and 2,004,581.44
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Solution
The fourth proportional to 5,416,448.32, 8,122,090.20 and 2,004,581.44 is: 3,005,916.48
Step by Step Solution
- Step 1: Write the proportion equation
5,416,448.32 : 8,122,090.20 = 2,004,581.44 : x - Step 2: Convert to fraction form
5,416,448.32/8,122,090.20 = 2,004,581.44/x - Step 3: Cross multiply
5,416,448.32x = 8,122,090.20 × 2,004,581.44 - Step 4: Simplify right side
5,416,448.32x = 16,281,391,268,925.89 - Step 5: Solve for x
x = 16,281,391,268,925.89/5,416,448.32 - Step 6: Final answer
x = 3,005,916.48
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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.