Finding the Fourth Proportional to 5,528,006.72, 7,628,656.60 and 3,080,564.08
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Solution
The fourth proportional to 5,528,006.72, 7,628,656.60 and 3,080,564.08 is: 4,251,182.51
Step by Step Solution
- Step 1: Write the proportion equation
5,528,006.72 : 7,628,656.60 = 3,080,564.08 : x - Step 2: Convert to fraction form
5,528,006.72/7,628,656.60 = 3,080,564.08/x - Step 3: Cross multiply
5,528,006.72x = 7,628,656.60 × 3,080,564.08 - Step 4: Simplify right side
5,528,006.72x = 23,500,565,500,614.93 - Step 5: Solve for x
x = 23,500,565,500,614.93/5,528,006.72 - Step 6: Final answer
x = 4,251,182.51
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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.