Finding the Fourth Proportional to 2,798,322.40, 4,196,446.80 and 905,125.60
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Solution
The fourth proportional to 2,798,322.40, 4,196,446.80 and 905,125.60 is: 1,357,353.04
Step by Step Solution
- Step 1: Write the proportion equation
2,798,322.40 : 4,196,446.80 = 905,125.60 : x - Step 2: Convert to fraction form
2,798,322.40/4,196,446.80 = 905,125.60/x - Step 3: Cross multiply
2,798,322.40x = 4,196,446.80 × 905,125.60 - Step 4: Simplify right side
2,798,322.40x = 3,798,311,427,718.08 - Step 5: Solve for x
x = 3,798,311,427,718.08/2,798,322.40 - Step 6: Final answer
x = 1,357,353.04
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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.