Finding the Fourth Proportional to 5,346,956.12, 7,378,801.44 and 2,899,566.52
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Solution
The fourth proportional to 5,346,956.12, 7,378,801.44 and 2,899,566.52 is: 4,001,402.88
Step by Step Solution
- Step 1: Write the proportion equation
5,346,956.12 : 7,378,801.44 = 2,899,566.52 : x - Step 2: Convert to fraction form
5,346,956.12/7,378,801.44 = 2,899,566.52/x - Step 3: Cross multiply
5,346,956.12x = 7,378,801.44 × 2,899,566.52 - Step 4: Simplify right side
5,346,956.12x = 21,395,325,613,151.79 - Step 5: Solve for x
x = 21,395,325,613,151.79/5,346,956.12 - Step 6: Final answer
x = 4,001,402.88
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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.