Finding the Fourth Proportional to 4,209,291.18, 6,311,973.90 and 2,186,991.42
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Solution
The fourth proportional to 4,209,291.18, 6,311,973.90 and 2,186,991.42 is: 3,279,467.30
Step by Step Solution
- Step 1: Write the proportion equation
4,209,291.18 : 6,311,973.90 = 2,186,991.42 : x - Step 2: Convert to fraction form
4,209,291.18/6,311,973.90 = 2,186,991.42/x - Step 3: Cross multiply
4,209,291.18x = 6,311,973.90 × 2,186,991.42 - Step 4: Simplify right side
4,209,291.18x = 13,804,232,762,563.94 - Step 5: Solve for x
x = 13,804,232,762,563.94/4,209,291.18 - Step 6: Final answer
x = 3,279,467.30
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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.