Finding the Fourth Proportional to 4,538,198.40, 6,263,009.76 and 2,605,084.80
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Solution
The fourth proportional to 4,538,198.40, 6,263,009.76 and 2,605,084.80 is: 3,595,186.92
Step by Step Solution
- Step 1: Write the proportion equation
4,538,198.40 : 6,263,009.76 = 2,605,084.80 : x - Step 2: Convert to fraction form
4,538,198.40/6,263,009.76 = 2,605,084.80/x - Step 3: Cross multiply
4,538,198.40x = 6,263,009.76 × 2,605,084.80 - Step 4: Simplify right side
4,538,198.40x = 16,315,671,528,027.65 - Step 5: Solve for x
x = 16,315,671,528,027.65/4,538,198.40 - Step 6: Final answer
x = 3,595,186.92
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1.5x scale
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.