Finding the Fourth Proportional to 3,237,390.40, 4,857,835.20 and 1,440,551.20
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Solution
The fourth proportional to 3,237,390.40, 4,857,835.20 and 1,440,551.20 is: 2,161,605.32
Step by Step Solution
- Step 1: Write the proportion equation
3,237,390.40 : 4,857,835.20 = 1,440,551.20 : x - Step 2: Convert to fraction form
3,237,390.40/4,857,835.20 = 1,440,551.20/x - Step 3: Cross multiply
3,237,390.40x = 4,857,835.20 × 1,440,551.20 - Step 4: Simplify right side
3,237,390.40x = 6,997,960,326,762.24 - Step 5: Solve for x
x = 6,997,960,326,762.24/3,237,390.40 - Step 6: Final answer
x = 2,161,605.32
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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.