Finding the Fourth Proportional to 3,772,202.85, 5,658,306.09 and 1,247,858.10
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Solution
The fourth proportional to 3,772,202.85, 5,658,306.09 and 1,247,858.10 is: 1,871,787.75
Step by Step Solution
- Step 1: Write the proportion equation
3,772,202.85 : 5,658,306.09 = 1,247,858.10 : x - Step 2: Convert to fraction form
3,772,202.85/5,658,306.09 = 1,247,858.10/x - Step 3: Cross multiply
3,772,202.85x = 5,658,306.09 × 1,247,858.10 - Step 4: Simplify right side
3,772,202.85x = 7,060,763,058,394.30 - Step 5: Solve for x
x = 7,060,763,058,394.30/3,772,202.85 - Step 6: Final answer
x = 1,871,787.75
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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.