Finding the Fourth Proportional to 1,405,319.41, 2,107,984.13 and 340,362.19
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Solution
The fourth proportional to 1,405,319.41, 2,107,984.13 and 340,362.19 is: 510,544.50
Step by Step Solution
- Step 1: Write the proportion equation
1,405,319.41 : 2,107,984.13 = 340,362.19 : x - Step 2: Convert to fraction form
1,405,319.41/2,107,984.13 = 340,362.19/x - Step 3: Cross multiply
1,405,319.41x = 2,107,984.13 × 340,362.19 - Step 4: Simplify right side
1,405,319.41x = 717,478,094,972.05 - Step 5: Solve for x
x = 717,478,094,972.05/1,405,319.41 - Step 6: Final answer
x = 510,544.50
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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.