Finding the Fourth Proportional to 5,272,094.99, 7,905,298.75 and 2,391,890.11
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Solution
The fourth proportional to 5,272,094.99, 7,905,298.75 and 2,391,890.11 is: 3,586,544.99
Step by Step Solution
- Step 1: Write the proportion equation
5,272,094.99 : 7,905,298.75 = 2,391,890.11 : x - Step 2: Convert to fraction form
5,272,094.99/7,905,298.75 = 2,391,890.11/x - Step 3: Cross multiply
5,272,094.99x = 7,905,298.75 × 2,391,890.11 - Step 4: Simplify right side
5,272,094.99x = 18,908,605,870,977.39 - Step 5: Solve for x
x = 18,908,605,870,977.39/5,272,094.99 - Step 6: Final answer
x = 3,586,544.99
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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.