Finding the Fourth Proportional to 4,078,125.80, 5,627,958.35 and 2,242,723.63
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Solution
The fourth proportional to 4,078,125.80, 5,627,958.35 and 2,242,723.63 is: 3,095,038.21
Step by Step Solution
- Step 1: Write the proportion equation
4,078,125.80 : 5,627,958.35 = 2,242,723.63 : x - Step 2: Convert to fraction form
4,078,125.80/5,627,958.35 = 2,242,723.63/x - Step 3: Cross multiply
4,078,125.80x = 5,627,958.35 × 2,242,723.63 - Step 4: Simplify right side
4,078,125.80x = 12,621,955,154,917.29 - Step 5: Solve for x
x = 12,621,955,154,917.29/4,078,125.80 - Step 6: Final answer
x = 3,095,038.21
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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.