Finding the Fourth Proportional to 7,252,934.70, 10,875,656.61 and 2,134,698.60
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Solution
The fourth proportional to 7,252,934.70, 10,875,656.61 and 2,134,698.60 is: 3,200,945.53
Step by Step Solution
- Step 1: Write the proportion equation
7,252,934.70 : 10,875,656.61 = 2,134,698.60 : x - Step 2: Convert to fraction form
7,252,934.70/10,875,656.61 = 2,134,698.60/x - Step 3: Cross multiply
7,252,934.70x = 10,875,656.61 × 2,134,698.60 - Step 4: Simplify right side
7,252,934.70x = 23,216,248,939,447.75 - Step 5: Solve for x
x = 23,216,248,939,447.75/7,252,934.70 - Step 6: Final answer
x = 3,200,945.53
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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.