Finding the Fourth Proportional to 5,340,945.47, 8,010,579.41 and 1,697,195.62
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Solution
The fourth proportional to 5,340,945.47, 8,010,579.41 and 1,697,195.62 is: 2,545,526.88
Step by Step Solution
- Step 1: Write the proportion equation
5,340,945.47 : 8,010,579.41 = 1,697,195.62 : x - Step 2: Convert to fraction form
5,340,945.47/8,010,579.41 = 1,697,195.62/x - Step 3: Cross multiply
5,340,945.47x = 8,010,579.41 × 1,697,195.62 - Step 4: Simplify right side
5,340,945.47x = 13,595,520,288,521.84 - Step 5: Solve for x
x = 13,595,520,288,521.84/5,340,945.47 - Step 6: Final answer
x = 2,545,526.88
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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.