Finding the Fourth Proportional to 2,580,986.70, 3,871,480.05 and 1,461,242.70
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Solution
The fourth proportional to 2,580,986.70, 3,871,480.05 and 1,461,242.70 is: 2,191,864.05
Step by Step Solution
- Step 1: Write the proportion equation
2,580,986.70 : 3,871,480.05 = 1,461,242.70 : x - Step 2: Convert to fraction form
2,580,986.70/3,871,480.05 = 1,461,242.70/x - Step 3: Cross multiply
2,580,986.70x = 3,871,480.05 × 1,461,242.70 - Step 4: Simplify right side
2,580,986.70x = 5,657,171,961,258.14 - Step 5: Solve for x
x = 5,657,171,961,258.14/2,580,986.70 - Step 6: Final answer
x = 2,191,864.05
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.