Finding the Fourth Proportional to 2,119,284.63, 2,924,523.86 and 1,201,575.51
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Solution
The fourth proportional to 2,119,284.63, 2,924,523.86 and 1,201,575.51 is: 1,658,123.78
Step by Step Solution
- Step 1: Write the proportion equation
2,119,284.63 : 2,924,523.86 = 1,201,575.51 : x - Step 2: Convert to fraction form
2,119,284.63/2,924,523.86 = 1,201,575.51/x - Step 3: Cross multiply
2,119,284.63x = 2,924,523.86 × 1,201,575.51 - Step 4: Simplify right side
2,119,284.63x = 3,514,036,242,578.79 - Step 5: Solve for x
x = 3,514,036,242,578.79/2,119,284.63 - Step 6: Final answer
x = 1,658,123.78
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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.