Finding the Fourth Proportional to 1,989,844.11, 2,746,058.36 and 1,130,549.94
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Solution
The fourth proportional to 1,989,844.11, 2,746,058.36 and 1,130,549.94 is: 1,560,200.67
Step by Step Solution
- Step 1: Write the proportion equation
1,989,844.11 : 2,746,058.36 = 1,130,549.94 : x - Step 2: Convert to fraction form
1,989,844.11/2,746,058.36 = 1,130,549.94/x - Step 3: Cross multiply
1,989,844.11x = 2,746,058.36 × 1,130,549.94 - Step 4: Simplify right side
1,989,844.11x = 3,104,556,108,481.75 - Step 5: Solve for x
x = 3,104,556,108,481.75/1,989,844.11 - Step 6: Final answer
x = 1,560,200.67
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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.