Finding the Fourth Proportional to 7,340,429.70, 11,010,644.55 and 1,949,069.70
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Solution
The fourth proportional to 7,340,429.70, 11,010,644.55 and 1,949,069.70 is: 2,923,604.55
Step by Step Solution
- Step 1: Write the proportion equation
7,340,429.70 : 11,010,644.55 = 1,949,069.70 : x - Step 2: Convert to fraction form
7,340,429.70/11,010,644.55 = 1,949,069.70/x - Step 3: Cross multiply
7,340,429.70x = 11,010,644.55 × 1,949,069.70 - Step 4: Simplify right side
7,340,429.70x = 21,460,513,669,875.14 - Step 5: Solve for x
x = 21,460,513,669,875.14/7,340,429.70 - Step 6: Final answer
x = 2,923,604.55
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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.