Finding the Fourth Proportional to 4,284,973.49, 6,424,078.23 and 2,124,509.00
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Solution
The fourth proportional to 4,284,973.49, 6,424,078.23 and 2,124,509.00 is: 3,185,086.68
Step by Step Solution
- Step 1: Write the proportion equation
4,284,973.49 : 6,424,078.23 = 2,124,509.00 : x - Step 2: Convert to fraction form
4,284,973.49/6,424,078.23 = 2,124,509.00/x - Step 3: Cross multiply
4,284,973.49x = 6,424,078.23 × 2,124,509.00 - Step 4: Simplify right side
4,284,973.49x = 13,648,011,984,218.68 - Step 5: Solve for x
x = 13,648,011,984,218.68/4,284,973.49 - Step 6: Final answer
x = 3,185,086.68
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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.