Finding the Fourth Proportional to 4,172,079.60, 6,258,119.40 and 1,646,434.80
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Solution
The fourth proportional to 4,172,079.60, 6,258,119.40 and 1,646,434.80 is: 2,469,652.20
Step by Step Solution
- Step 1: Write the proportion equation
4,172,079.60 : 6,258,119.40 = 1,646,434.80 : x - Step 2: Convert to fraction form
4,172,079.60/6,258,119.40 = 1,646,434.80/x - Step 3: Cross multiply
4,172,079.60x = 6,258,119.40 × 1,646,434.80 - Step 4: Simplify right side
4,172,079.60x = 10,303,585,562,715.12 - Step 5: Solve for x
x = 10,303,585,562,715.12/4,172,079.60 - Step 6: Final answer
x = 2,469,652.20
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1.5x scale
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.