Finding the Fourth Proportional to 2,119,361.78, 2,924,630.94 and 1,201,652.94
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Solution
The fourth proportional to 2,119,361.78, 2,924,630.94 and 1,201,652.94 is: 1,658,230.99
Step by Step Solution
- Step 1: Write the proportion equation
2,119,361.78 : 2,924,630.94 = 1,201,652.94 : x - Step 2: Convert to fraction form
2,119,361.78/2,924,630.94 = 1,201,652.94/x - Step 3: Cross multiply
2,119,361.78x = 2,924,630.94 × 1,201,652.94 - Step 4: Simplify right side
2,119,361.78x = 3,514,391,367,465.96 - Step 5: Solve for x
x = 3,514,391,367,465.96/2,119,361.78 - Step 6: Final answer
x = 1,658,230.99
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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.