Finding the Fourth Proportional to 5,422,721.08, 7,483,102.44 and 2,975,276.92
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Solution
The fourth proportional to 5,422,721.08, 7,483,102.44 and 2,975,276.92 is: 4,105,743.53
Step by Step Solution
- Step 1: Write the proportion equation
5,422,721.08 : 7,483,102.44 = 2,975,276.92 : x - Step 2: Convert to fraction form
5,422,721.08/7,483,102.44 = 2,975,276.92/x - Step 3: Cross multiply
5,422,721.08x = 7,483,102.44 × 2,975,276.92 - Step 4: Simplify right side
5,422,721.08x = 22,264,301,979,727.68 - Step 5: Solve for x
x = 22,264,301,979,727.68/5,422,721.08 - Step 6: Final answer
x = 4,105,743.53
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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.