Finding the Fourth Proportional to 1,542,534.92, 2,128,671.52 and 854,193.14
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Solution
The fourth proportional to 1,542,534.92, 2,128,671.52 and 854,193.14 is: 1,178,771.76
Step by Step Solution
- Step 1: Write the proportion equation
1,542,534.92 : 2,128,671.52 = 854,193.14 : x - Step 2: Convert to fraction form
1,542,534.92/2,128,671.52 = 854,193.14/x - Step 3: Cross multiply
1,542,534.92x = 2,128,671.52 × 854,193.14 - Step 4: Simplify right side
1,542,534.92x = 1,818,296,596,918.53 - Step 5: Solve for x
x = 1,818,296,596,918.53/1,542,534.92 - Step 6: Final answer
x = 1,178,771.76
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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.