Finding the Fourth Proportional to 2,312,015.01, 3,190,508.66 and 1,279,460.67
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Solution
The fourth proportional to 2,312,015.01, 3,190,508.66 and 1,279,460.67 is: 1,765,615.85
Step by Step Solution
- Step 1: Write the proportion equation
2,312,015.01 : 3,190,508.66 = 1,279,460.67 : x - Step 2: Convert to fraction form
2,312,015.01/3,190,508.66 = 1,279,460.67/x - Step 3: Cross multiply
2,312,015.01x = 3,190,508.66 × 1,279,460.67 - Step 4: Simplify right side
2,312,015.01x = 4,082,130,341,367.10 - Step 5: Solve for x
x = 4,082,130,341,367.10/2,312,015.01 - Step 6: Final answer
x = 1,765,615.85
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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.