Finding the Fourth Proportional to 4,997,856.07, 7,496,784.19 and 1,211,338.94
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Solution
The fourth proportional to 4,997,856.07, 7,496,784.19 and 1,211,338.94 is: 1,817,008.43
Step by Step Solution
- Step 1: Write the proportion equation
4,997,856.07 : 7,496,784.19 = 1,211,338.94 : x - Step 2: Convert to fraction form
4,997,856.07/7,496,784.19 = 1,211,338.94/x - Step 3: Cross multiply
4,997,856.07x = 7,496,784.19 × 1,211,338.94 - Step 4: Simplify right side
4,997,856.07x = 9,081,146,614,123.36 - Step 5: Solve for x
x = 9,081,146,614,123.36/4,997,856.07 - Step 6: Final answer
x = 1,817,008.43
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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.