Finding the Fourth Proportional to 1,595,430.60, 2,204,561.40 and 1,212,793.08
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Solution
The fourth proportional to 1,595,430.60, 2,204,561.40 and 1,212,793.08 is: 1,675,833.98
Step by Step Solution
- Step 1: Write the proportion equation
1,595,430.60 : 2,204,561.40 = 1,212,793.08 : x - Step 2: Convert to fraction form
1,595,430.60/2,204,561.40 = 1,212,793.08/x - Step 3: Cross multiply
1,595,430.60x = 2,204,561.40 × 1,212,793.08 - Step 4: Simplify right side
1,595,430.60x = 2,673,676,810,355.11 - Step 5: Solve for x
x = 2,673,676,810,355.11/1,595,430.60 - Step 6: Final answer
x = 1,675,833.98
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.