Finding the Fourth Proportional to 2,186,603.60, 3,279,905.40 and 768,261.20
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Solution
The fourth proportional to 2,186,603.60, 3,279,905.40 and 768,261.20 is: 1,152,391.80
Step by Step Solution
- Step 1: Write the proportion equation
2,186,603.60 : 3,279,905.40 = 768,261.20 : x - Step 2: Convert to fraction form
2,186,603.60/3,279,905.40 = 768,261.20/x - Step 3: Cross multiply
2,186,603.60x = 3,279,905.40 × 768,261.20 - Step 4: Simplify right side
2,186,603.60x = 2,519,824,058,490.48 - Step 5: Solve for x
x = 2,519,824,058,490.48/2,186,603.60 - Step 6: Final answer
x = 1,152,391.80
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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.