Finding the Fourth Proportional to 1,550,953.05, 2,326,430.39 and 486,078.05
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Solution
The fourth proportional to 1,550,953.05, 2,326,430.39 and 486,078.05 is: 729,117.32
Step by Step Solution
- Step 1: Write the proportion equation
1,550,953.05 : 2,326,430.39 = 486,078.05 : x - Step 2: Convert to fraction form
1,550,953.05/2,326,430.39 = 486,078.05/x - Step 3: Cross multiply
1,550,953.05x = 2,326,430.39 × 486,078.05 - Step 4: Simplify right side
1,550,953.05x = 1,130,826,733,369.40 - Step 5: Solve for x
x = 1,130,826,733,369.40/1,550,953.05 - Step 6: Final answer
x = 729,117.32
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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.