Finding the Fourth Proportional to 4,639,360.24, 6,953,329.28 and 2,211,792.40
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Solution
The fourth proportional to 4,639,360.24, 6,953,329.28 and 2,211,792.40 is: 3,314,965.87
Step by Step Solution
- Step 1: Write the proportion equation
4,639,360.24 : 6,953,329.28 = 2,211,792.40 : x - Step 2: Convert to fraction form
4,639,360.24/6,953,329.28 = 2,211,792.40/x - Step 3: Cross multiply
4,639,360.24x = 6,953,329.28 × 2,211,792.40 - Step 4: Simplify right side
4,639,360.24x = 15,379,320,856,201.47 - Step 5: Solve for x
x = 15,379,320,856,201.47/4,639,360.24 - Step 6: Final answer
x = 3,314,965.87
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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.