Finding the Fourth Proportional to 1,685,455.20, 2,528,434.80 and 620,416.08
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Solution
The fourth proportional to 1,685,455.20, 2,528,434.80 and 620,416.08 is: 930,716.88
Step by Step Solution
- Step 1: Write the proportion equation
1,685,455.20 : 2,528,434.80 = 620,416.08 : x - Step 2: Convert to fraction form
1,685,455.20/2,528,434.80 = 620,416.08/x - Step 3: Cross multiply
1,685,455.20x = 2,528,434.80 × 620,416.08 - Step 4: Simplify right side
1,685,455.20x = 1,568,681,607,151.58 - Step 5: Solve for x
x = 1,568,681,607,151.58/1,685,455.20 - Step 6: Final answer
x = 930,716.88
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.