Finding the Fourth Proportional to 4,762,551.12, 7,143,260.76 and 1,566,884.76
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Solution
The fourth proportional to 4,762,551.12, 7,143,260.76 and 1,566,884.76 is: 2,350,140.95
Step by Step Solution
- Step 1: Write the proportion equation
4,762,551.12 : 7,143,260.76 = 1,566,884.76 : x - Step 2: Convert to fraction form
4,762,551.12/7,143,260.76 = 1,566,884.76/x - Step 3: Cross multiply
4,762,551.12x = 7,143,260.76 × 1,566,884.76 - Step 4: Simplify right side
4,762,551.12x = 11,192,666,421,550.02 - Step 5: Solve for x
x = 11,192,666,421,550.02/4,762,551.12 - Step 6: Final answer
x = 2,350,140.95
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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.