Finding the Fourth Proportional to 7,462,874.68, 11,194,374.75 and 2,071,945.51
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Solution
The fourth proportional to 7,462,874.68, 11,194,374.75 and 2,071,945.51 is: 3,107,935.68
Step by Step Solution
- Step 1: Write the proportion equation
7,462,874.68 : 11,194,374.75 = 2,071,945.51 : x - Step 2: Convert to fraction form
7,462,874.68/11,194,374.75 = 2,071,945.51/x - Step 3: Cross multiply
7,462,874.68x = 11,194,374.75 × 2,071,945.51 - Step 4: Simplify right side
7,462,874.68x = 23,194,134,500,519.87 - Step 5: Solve for x
x = 23,194,134,500,519.87/7,462,874.68 - Step 6: Final answer
x = 3,107,935.68
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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.