Finding the Fourth Proportional to 1,851,881.69, 2,555,695.99 and 1,036,036.70
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Solution
The fourth proportional to 1,851,881.69, 2,555,695.99 and 1,036,036.70 is: 1,429,786.18
Step by Step Solution
- Step 1: Write the proportion equation
1,851,881.69 : 2,555,695.99 = 1,036,036.70 : x - Step 2: Convert to fraction form
1,851,881.69/2,555,695.99 = 1,036,036.70/x - Step 3: Cross multiply
1,851,881.69x = 2,555,695.99 × 1,036,036.70 - Step 4: Simplify right side
1,851,881.69x = 2,647,794,843,481.98 - Step 5: Solve for x
x = 2,647,794,843,481.98/1,851,881.69 - Step 6: Final answer
x = 1,429,786.18
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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.