Finding the Fourth Proportional to 4,765,023.60, 7,146,844.20 and 1,398,879.60
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Solution
The fourth proportional to 4,765,023.60, 7,146,844.20 and 1,398,879.60 is: 2,098,116.48
Step by Step Solution
- Step 1: Write the proportion equation
4,765,023.60 : 7,146,844.20 = 1,398,879.60 : x - Step 2: Convert to fraction form
4,765,023.60/7,146,844.20 = 1,398,879.60/x - Step 3: Cross multiply
4,765,023.60x = 7,146,844.20 × 1,398,879.60 - Step 4: Simplify right side
4,765,023.60x = 9,997,574,555,758.32 - Step 5: Solve for x
x = 9,997,574,555,758.32/4,765,023.60 - Step 6: Final answer
x = 2,098,116.48
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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.