Finding the Fourth Proportional to 6,425,546.40, 8,867,202.30 and 3,485,356.20
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Solution
The fourth proportional to 6,425,546.40, 8,867,202.30 and 3,485,356.20 is: 4,809,763.50
Step by Step Solution
- Step 1: Write the proportion equation
6,425,546.40 : 8,867,202.30 = 3,485,356.20 : x - Step 2: Convert to fraction form
6,425,546.40/8,867,202.30 = 3,485,356.20/x - Step 3: Cross multiply
6,425,546.40x = 8,867,202.30 × 3,485,356.20 - Step 4: Simplify right side
6,425,546.40x = 30,905,358,512,959.27 - Step 5: Solve for x
x = 30,905,358,512,959.27/6,425,546.40 - Step 6: Final answer
x = 4,809,763.50
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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.