Finding the Fourth Proportional to 4,127,486.40, 6,178,982.40 and 3,067,228.80
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Solution
The fourth proportional to 4,127,486.40, 6,178,982.40 and 3,067,228.80 is: 4,591,742.03
Step by Step Solution
- Step 1: Write the proportion equation
4,127,486.40 : 6,178,982.40 = 3,067,228.80 : x - Step 2: Convert to fraction form
4,127,486.40/6,178,982.40 = 3,067,228.80/x - Step 3: Cross multiply
4,127,486.40x = 6,178,982.40 × 3,067,228.80 - Step 4: Simplify right side
4,127,486.40x = 18,952,352,771,973.12 - Step 5: Solve for x
x = 18,952,352,771,973.12/4,127,486.40 - Step 6: Final answer
x = 4,591,742.03
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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.