Finding the Fourth Proportional to 5,320,547.97, 7,343,551.29 and 3,483,939.59
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Solution
The fourth proportional to 5,320,547.97, 7,343,551.29 and 3,483,939.59 is: 4,808,619.19
Step by Step Solution
- Step 1: Write the proportion equation
5,320,547.97 : 7,343,551.29 = 3,483,939.59 : x - Step 2: Convert to fraction form
5,320,547.97/7,343,551.29 = 3,483,939.59/x - Step 3: Cross multiply
5,320,547.97x = 7,343,551.29 × 3,483,939.59 - Step 4: Simplify right side
5,320,547.97x = 25,584,489,070,426.57 - Step 5: Solve for x
x = 25,584,489,070,426.57/5,320,547.97 - Step 6: Final answer
x = 4,808,619.19
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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.