Finding the Fourth Proportional to 1,545,731.09, 2,133,067.73 and 892,335.06
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Solution
The fourth proportional to 1,545,731.09, 2,133,067.73 and 892,335.06 is: 1,231,398.61
Step by Step Solution
- Step 1: Write the proportion equation
1,545,731.09 : 2,133,067.73 = 892,335.06 : x - Step 2: Convert to fraction form
1,545,731.09/2,133,067.73 = 892,335.06/x - Step 3: Cross multiply
1,545,731.09x = 2,133,067.73 × 892,335.06 - Step 4: Simplify right side
1,545,731.09x = 1,903,411,120,833.61 - Step 5: Solve for x
x = 1,903,411,120,833.61/1,545,731.09 - Step 6: Final answer
x = 1,231,398.61
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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.