Finding the Fourth Proportional to 4,482,385.09, 6,688,617.76 and 3,999,291.98
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Solution
The fourth proportional to 4,482,385.09, 6,688,617.76 and 3,999,291.98 is: 5,967,745.92
Step by Step Solution
- Step 1: Write the proportion equation
4,482,385.09 : 6,688,617.76 = 3,999,291.98 : x - Step 2: Convert to fraction form
4,482,385.09/6,688,617.76 = 3,999,291.98/x - Step 3: Cross multiply
4,482,385.09x = 6,688,617.76 × 3,999,291.98 - Step 4: Simplify right side
4,482,385.09x = 26,749,735,336,409.59 - Step 5: Solve for x
x = 26,749,735,336,409.59/4,482,385.09 - Step 6: Final answer
x = 5,967,745.92
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.