Finding the Fourth Proportional to 2,315,652.12, 3,197,159.34 and 1,445,811.12
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Solution
The fourth proportional to 2,315,652.12, 3,197,159.34 and 1,445,811.12 is: 1,996,192.99
Step by Step Solution
- Step 1: Write the proportion equation
2,315,652.12 : 3,197,159.34 = 1,445,811.12 : x - Step 2: Convert to fraction form
2,315,652.12/3,197,159.34 = 1,445,811.12/x - Step 3: Cross multiply
2,315,652.12x = 3,197,159.34 × 1,445,811.12 - Step 4: Simplify right side
2,315,652.12x = 4,622,488,526,183.86 - Step 5: Solve for x
x = 4,622,488,526,183.86/2,315,652.12 - Step 6: Final answer
x = 1,996,192.99
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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.