Finding the Fourth Proportional to 2,577,317.74, 3,556,490.36 and 1,489,659.73
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Solution
The fourth proportional to 2,577,317.74, 3,556,490.36 and 1,489,659.73 is: 2,055,610.13
Step by Step Solution
- Step 1: Write the proportion equation
2,577,317.74 : 3,556,490.36 = 1,489,659.73 : x - Step 2: Convert to fraction form
2,577,317.74/3,556,490.36 = 1,489,659.73/x - Step 3: Cross multiply
2,577,317.74x = 3,556,490.36 × 1,489,659.73 - Step 4: Simplify right side
2,577,317.74x = 5,297,960,453,085.68 - Step 5: Solve for x
x = 5,297,960,453,085.68/2,577,317.74 - Step 6: Final answer
x = 2,055,610.13
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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.