Finding the Fourth Proportional to 1,407,712.26, 1,943,396.70 and 1,101,137.28
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Solution
The fourth proportional to 1,407,712.26, 1,943,396.70 and 1,101,137.28 is: 1,520,159.07
Step by Step Solution
- Step 1: Write the proportion equation
1,407,712.26 : 1,943,396.70 = 1,101,137.28 : x - Step 2: Convert to fraction form
1,407,712.26/1,943,396.70 = 1,101,137.28/x - Step 3: Cross multiply
1,407,712.26x = 1,943,396.70 × 1,101,137.28 - Step 4: Simplify right side
1,407,712.26x = 2,139,946,556,198.98 - Step 5: Solve for x
x = 2,139,946,556,198.98/1,407,712.26 - Step 6: Final answer
x = 1,520,159.07
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.