Finding the Fourth Proportional to 5,697,812.27, 7,862,977.33 and 3,119,492.36
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Solution
The fourth proportional to 5,697,812.27, 7,862,977.33 and 3,119,492.36 is: 4,304,897.48
Step by Step Solution
- Step 1: Write the proportion equation
5,697,812.27 : 7,862,977.33 = 3,119,492.36 : x - Step 2: Convert to fraction form
5,697,812.27/7,862,977.33 = 3,119,492.36/x - Step 3: Cross multiply
5,697,812.27x = 7,862,977.33 × 3,119,492.36 - Step 4: Simplify right side
5,697,812.27x = 24,528,497,719,646.91 - Step 5: Solve for x
x = 24,528,497,719,646.91/5,697,812.27 - Step 6: Final answer
x = 4,304,897.48
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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.