Finding the Fourth Proportional to 5,360,128.56, 7,397,430.84 and 2,946,181.68
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Solution
The fourth proportional to 5,360,128.56, 7,397,430.84 and 2,946,181.68 is: 4,065,979.94
Step by Step Solution
- Step 1: Write the proportion equation
5,360,128.56 : 7,397,430.84 = 2,946,181.68 : x - Step 2: Convert to fraction form
5,360,128.56/7,397,430.84 = 2,946,181.68/x - Step 3: Cross multiply
5,360,128.56x = 7,397,430.84 × 2,946,181.68 - Step 4: Simplify right side
5,360,128.56x = 21,794,175,219,875.01 - Step 5: Solve for x
x = 21,794,175,219,875.01/5,360,128.56 - Step 6: Final answer
x = 4,065,979.94
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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.