Finding the Fourth Proportional to 2,492,135.42, 3,439,149.94 and 1,346,215.76
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Solution
The fourth proportional to 2,492,135.42, 3,439,149.94 and 1,346,215.76 is: 1,857,779.40
Step by Step Solution
- Step 1: Write the proportion equation
2,492,135.42 : 3,439,149.94 = 1,346,215.76 : x - Step 2: Convert to fraction form
2,492,135.42/3,439,149.94 = 1,346,215.76/x - Step 3: Cross multiply
2,492,135.42x = 3,439,149.94 × 1,346,215.76 - Step 4: Simplify right side
2,492,135.42x = 4,629,837,847,614.89 - Step 5: Solve for x
x = 4,629,837,847,614.89/2,492,135.42 - Step 6: Final answer
x = 1,857,779.40
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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.