Finding the Fourth Proportional to 5,736,543.89, 7,916,130.04 and 3,157,720.97
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Solution
The fourth proportional to 5,736,543.89, 7,916,130.04 and 3,157,720.97 is: 4,357,489.51
Step by Step Solution
- Step 1: Write the proportion equation
5,736,543.89 : 7,916,130.04 = 3,157,720.97 : x - Step 2: Convert to fraction form
5,736,543.89/7,916,130.04 = 3,157,720.97/x - Step 3: Cross multiply
5,736,543.89x = 7,916,130.04 × 3,157,720.97 - Step 4: Simplify right side
5,736,543.89x = 24,996,929,828,554.94 - Step 5: Solve for x
x = 24,996,929,828,554.94/5,736,543.89 - Step 6: Final answer
x = 4,357,489.51
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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.