Finding the Fourth Proportional to 2,618,405.36, 3,613,421.04 and 1,472,475.68
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Solution
The fourth proportional to 2,618,405.36, 3,613,421.04 and 1,472,475.68 is: 2,032,028.61
Step by Step Solution
- Step 1: Write the proportion equation
2,618,405.36 : 3,613,421.04 = 1,472,475.68 : x - Step 2: Convert to fraction form
2,618,405.36/3,613,421.04 = 1,472,475.68/x - Step 3: Cross multiply
2,618,405.36x = 3,613,421.04 × 1,472,475.68 - Step 4: Simplify right side
2,618,405.36x = 5,320,674,603,000.31 - Step 5: Solve for x
x = 5,320,674,603,000.31/2,618,405.36 - Step 6: Final answer
x = 2,032,028.61
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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.