Finding the Fourth Proportional to 4,810,980.36, 7,217,304.30 and 1,616,418.12
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Solution
The fourth proportional to 4,810,980.36, 7,217,304.30 and 1,616,418.12 is: 2,424,907.31
Step by Step Solution
- Step 1: Write the proportion equation
4,810,980.36 : 7,217,304.30 = 1,616,418.12 : x - Step 2: Convert to fraction form
4,810,980.36/7,217,304.30 = 1,616,418.12/x - Step 3: Cross multiply
4,810,980.36x = 7,217,304.30 × 1,616,418.12 - Step 4: Simplify right side
4,810,980.36x = 11,666,181,448,073.92 - Step 5: Solve for x
x = 11,666,181,448,073.92/4,810,980.36 - Step 6: Final answer
x = 2,424,907.31
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.