Finding the Fourth Proportional to 2,119,319.26, 2,924,571.54 and 1,201,610.14
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Solution
The fourth proportional to 2,119,319.26, 2,924,571.54 and 1,201,610.14 is: 1,658,171.51
Step by Step Solution
- Step 1: Write the proportion equation
2,119,319.26 : 2,924,571.54 = 1,201,610.14 : x - Step 2: Convert to fraction form
2,119,319.26/2,924,571.54 = 1,201,610.14/x - Step 3: Cross multiply
2,119,319.26x = 2,924,571.54 × 1,201,610.14 - Step 4: Simplify right side
2,119,319.26x = 3,514,194,817,619.42 - Step 5: Solve for x
x = 3,514,194,817,619.42/2,119,319.26 - Step 6: Final answer
x = 1,658,171.51
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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.