Finding the Fourth Proportional to 2,492,135.29, 3,439,149.77 and 1,346,215.63
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Solution
The fourth proportional to 2,492,135.29, 3,439,149.77 and 1,346,215.63 is: 1,857,779.23
Step by Step Solution
- Step 1: Write the proportion equation
2,492,135.29 : 3,439,149.77 = 1,346,215.63 : x - Step 2: Convert to fraction form
2,492,135.29/3,439,149.77 = 1,346,215.63/x - Step 3: Cross multiply
2,492,135.29x = 3,439,149.77 × 1,346,215.63 - Step 4: Simplify right side
2,492,135.29x = 4,629,837,174,284.90 - Step 5: Solve for x
x = 4,629,837,174,284.90/2,492,135.29 - Step 6: Final answer
x = 1,857,779.23
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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.