Finding the Fourth Proportional to 4,421,166.58, 6,631,749.28 and 1,226,292.74
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Solution
The fourth proportional to 4,421,166.58, 6,631,749.28 and 1,226,292.74 is: 1,839,438.95
Step by Step Solution
- Step 1: Write the proportion equation
4,421,166.58 : 6,631,749.28 = 1,226,292.74 : x - Step 2: Convert to fraction form
4,421,166.58/6,631,749.28 = 1,226,292.74/x - Step 3: Cross multiply
4,421,166.58x = 6,631,749.28 × 1,226,292.74 - Step 4: Simplify right side
4,421,166.58x = 8,132,465,995,564.23 - Step 5: Solve for x
x = 8,132,465,995,564.23/4,421,166.58 - Step 6: Final answer
x = 1,839,438.95
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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.