Finding the Fourth Proportional to 1,567,453.20, 2,351,179.80 and 385,501.20
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Solution
The fourth proportional to 1,567,453.20, 2,351,179.80 and 385,501.20 is: 578,251.80
Step by Step Solution
- Step 1: Write the proportion equation
1,567,453.20 : 2,351,179.80 = 385,501.20 : x - Step 2: Convert to fraction form
1,567,453.20/2,351,179.80 = 385,501.20/x - Step 3: Cross multiply
1,567,453.20x = 2,351,179.80 × 385,501.20 - Step 4: Simplify right side
1,567,453.20x = 906,382,634,315.76 - Step 5: Solve for x
x = 906,382,634,315.76/1,567,453.20 - Step 6: Final answer
x = 578,251.80
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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.