Finding the Fourth Proportional to 1,424,321.28, 2,135,796.66 and 477,029.52
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Solution
The fourth proportional to 1,424,321.28, 2,135,796.66 and 477,029.52 is: 715,314.77
Step by Step Solution
- Step 1: Write the proportion equation
1,424,321.28 : 2,135,796.66 = 477,029.52 : x - Step 2: Convert to fraction form
1,424,321.28/2,135,796.66 = 477,029.52/x - Step 3: Cross multiply
1,424,321.28x = 2,135,796.66 × 477,029.52 - Step 4: Simplify right side
1,424,321.28x = 1,018,838,055,537.40 - Step 5: Solve for x
x = 1,018,838,055,537.40/1,424,321.28 - Step 6: Final answer
x = 715,314.77
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.