Finding the Fourth Proportional to 1,536,906.24, 2,121,117.45 and 892,326.43
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Solution
The fourth proportional to 1,536,906.24, 2,121,117.45 and 892,326.43 is: 1,231,518.96
Step by Step Solution
- Step 1: Write the proportion equation
1,536,906.24 : 2,121,117.45 = 892,326.43 : x - Step 2: Convert to fraction form
1,536,906.24/2,121,117.45 = 892,326.43/x - Step 3: Cross multiply
1,536,906.24x = 2,121,117.45 × 892,326.43 - Step 4: Simplify right side
1,536,906.24x = 1,892,729,168,501.23 - Step 5: Solve for x
x = 1,892,729,168,501.23/1,536,906.24 - Step 6: Final answer
x = 1,231,518.96
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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.