Finding the Fourth Proportional to 3,683,420.07, 5,525,091.21 and 1,439,538.63
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Solution
The fourth proportional to 3,683,420.07, 5,525,091.21 and 1,439,538.63 is: 2,159,292.74
Step by Step Solution
- Step 1: Write the proportion equation
3,683,420.07 : 5,525,091.21 = 1,439,538.63 : x - Step 2: Convert to fraction form
3,683,420.07/5,525,091.21 = 1,439,538.63/x - Step 3: Cross multiply
3,683,420.07x = 5,525,091.21 × 1,439,538.63 - Step 4: Simplify right side
3,683,420.07x = 7,953,582,231,068.44 - Step 5: Solve for x
x = 7,953,582,231,068.44/3,683,420.07 - Step 6: Final answer
x = 2,159,292.74
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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.