Finding the Fourth Proportional to 2,336,865.84, 3,485,664.72 and 2,121,599.52
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Solution
The fourth proportional to 2,336,865.84, 3,485,664.72 and 2,121,599.52 is: 3,164,573.88
Step by Step Solution
- Step 1: Write the proportion equation
2,336,865.84 : 3,485,664.72 = 2,121,599.52 : x - Step 2: Convert to fraction form
2,336,865.84/3,485,664.72 = 2,121,599.52/x - Step 3: Cross multiply
2,336,865.84x = 3,485,664.72 × 2,121,599.52 - Step 4: Simplify right side
2,336,865.84x = 7,395,184,596,832.94 - Step 5: Solve for x
x = 7,395,184,596,832.94/2,336,865.84 - Step 6: Final answer
x = 3,164,573.88
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.