Finding the Fourth Proportional to 3,459,410.10, 5,184,613.58 and 1,407,679.09
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Solution
The fourth proportional to 3,459,410.10, 5,184,613.58 and 1,407,679.09 is: 2,109,686.88
Step by Step Solution
- Step 1: Write the proportion equation
3,459,410.10 : 5,184,613.58 = 1,407,679.09 : x - Step 2: Convert to fraction form
3,459,410.10/5,184,613.58 = 1,407,679.09/x - Step 3: Cross multiply
3,459,410.10x = 5,184,613.58 × 1,407,679.09 - Step 4: Simplify right side
3,459,410.10x = 7,298,272,106,296.11 - Step 5: Solve for x
x = 7,298,272,106,296.11/3,459,410.10 - Step 6: Final answer
x = 2,109,686.88
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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.