Finding the Fourth Proportional to 4,526,703.12, 6,263,299.60 and 3,947,134.80
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Solution
The fourth proportional to 4,526,703.12, 6,263,299.60 and 3,947,134.80 is: 5,461,389.26
Step by Step Solution
- Step 1: Write the proportion equation
4,526,703.12 : 6,263,299.60 = 3,947,134.80 : x - Step 2: Convert to fraction form
4,526,703.12/6,263,299.60 = 3,947,134.80/x - Step 3: Cross multiply
4,526,703.12x = 6,263,299.60 × 3,947,134.80 - Step 4: Simplify right side
4,526,703.12x = 24,722,087,813,986.08 - Step 5: Solve for x
x = 24,722,087,813,986.08/4,526,703.12 - Step 6: Final answer
x = 5,461,389.26
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.