Finding the Fourth Proportional to 5,713,513.76, 7,884,627.36 and 3,135,237.68
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Solution
The fourth proportional to 5,713,513.76, 7,884,627.36 and 3,135,237.68 is: 4,326,616.13
Step by Step Solution
- Step 1: Write the proportion equation
5,713,513.76 : 7,884,627.36 = 3,135,237.68 : x - Step 2: Convert to fraction form
5,713,513.76/7,884,627.36 = 3,135,237.68/x - Step 3: Cross multiply
5,713,513.76x = 7,884,627.36 × 3,135,237.68 - Step 4: Simplify right side
5,713,513.76x = 24,720,180,791,830.93 - Step 5: Solve for x
x = 24,720,180,791,830.93/5,713,513.76 - Step 6: Final answer
x = 4,326,616.13
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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.