Finding the Fourth Proportional to 3,871,103.59, 5,340,588.55 and 2,239,207.93
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Solution
The fourth proportional to 3,871,103.59, 5,340,588.55 and 2,239,207.93 is: 3,089,219.38
Step by Step Solution
- Step 1: Write the proportion equation
3,871,103.59 : 5,340,588.55 = 2,239,207.93 : x - Step 2: Convert to fraction form
3,871,103.59/5,340,588.55 = 2,239,207.93/x - Step 3: Cross multiply
3,871,103.59x = 5,340,588.55 × 2,239,207.93 - Step 4: Simplify right side
3,871,103.59x = 11,958,688,232,027.20 - Step 5: Solve for x
x = 11,958,688,232,027.20/3,871,103.59 - Step 6: Final answer
x = 3,089,219.38
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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.