Finding the Fourth Proportional to 4,829,206.80, 7,243,810.20 and 4,754,557.20
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Solution
The fourth proportional to 4,829,206.80, 7,243,810.20 and 4,754,557.20 is: 7,131,835.80
Step by Step Solution
- Step 1: Write the proportion equation
4,829,206.80 : 7,243,810.20 = 4,754,557.20 : x - Step 2: Convert to fraction form
4,829,206.80/7,243,810.20 = 4,754,557.20/x - Step 3: Cross multiply
4,829,206.80x = 7,243,810.20 × 4,754,557.20 - Step 4: Simplify right side
4,829,206.80x = 34,441,109,941,843.44 - Step 5: Solve for x
x = 34,441,109,941,843.44/4,829,206.80 - Step 6: Final answer
x = 7,131,835.80
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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.