Finding the Fourth Proportional to 4,027,979.68, 5,559,142.80 and 2,418,451.36
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Solution
The fourth proportional to 4,027,979.68, 5,559,142.80 and 2,418,451.36 is: 3,337,781.60
Step by Step Solution
- Step 1: Write the proportion equation
4,027,979.68 : 5,559,142.80 = 2,418,451.36 : x - Step 2: Convert to fraction form
4,027,979.68/5,559,142.80 = 2,418,451.36/x - Step 3: Cross multiply
4,027,979.68x = 5,559,142.80 × 2,418,451.36 - Step 4: Simplify right side
4,027,979.68x = 13,444,516,465,094.21 - Step 5: Solve for x
x = 13,444,516,465,094.21/4,027,979.68 - Step 6: Final answer
x = 3,337,781.60
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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.