Finding the Fourth Proportional to 2,113,593.46, 2,916,775.47 and 1,242,194.14
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Solution
The fourth proportional to 2,113,593.46, 2,916,775.47 and 1,242,194.14 is: 1,714,237.61
Step by Step Solution
- Step 1: Write the proportion equation
2,113,593.46 : 2,916,775.47 = 1,242,194.14 : x - Step 2: Convert to fraction form
2,113,593.46/2,916,775.47 = 1,242,194.14/x - Step 3: Cross multiply
2,113,593.46x = 2,916,775.47 × 1,242,194.14 - Step 4: Simplify right side
2,113,593.46x = 3,623,201,396,529.75 - Step 5: Solve for x
x = 3,623,201,396,529.75/2,113,593.46 - Step 6: Final answer
x = 1,714,237.61
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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.