Finding the Fourth Proportional to 5,005,842.12, 6,907,636.92 and 2,830,083.24
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Solution
The fourth proportional to 5,005,842.12, 6,907,636.92 and 2,830,083.24 is: 3,905,274.48
Step by Step Solution
- Step 1: Write the proportion equation
5,005,842.12 : 6,907,636.92 = 2,830,083.24 : x - Step 2: Convert to fraction form
5,005,842.12/6,907,636.92 = 2,830,083.24/x - Step 3: Cross multiply
5,005,842.12x = 6,907,636.92 × 2,830,083.24 - Step 4: Simplify right side
5,005,842.12x = 19,549,187,475,297.22 - Step 5: Solve for x
x = 19,549,187,475,297.22/5,005,842.12 - Step 6: Final answer
x = 3,905,274.48
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1.5x scale
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.