Finding the Fourth Proportional to 1,616,549.13, 2,230,790.07 and 891,396.66
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Solution
The fourth proportional to 1,616,549.13, 2,230,790.07 and 891,396.66 is: 1,230,101.07
Step by Step Solution
- Step 1: Write the proportion equation
1,616,549.13 : 2,230,790.07 = 891,396.66 : x - Step 2: Convert to fraction form
1,616,549.13/2,230,790.07 = 891,396.66/x - Step 3: Cross multiply
1,616,549.13x = 2,230,790.07 × 891,396.66 - Step 4: Simplify right side
1,616,549.13x = 1,988,518,817,559.17 - Step 5: Solve for x
x = 1,988,518,817,559.17/1,616,549.13 - Step 6: Final answer
x = 1,230,101.07
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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.