Finding the Fourth Proportional to 2,576,379.24, 3,555,335.70 and 1,430,430.12
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Solution
The fourth proportional to 2,576,379.24, 3,555,335.70 and 1,430,430.12 is: 1,973,956.01
Step by Step Solution
- Step 1: Write the proportion equation
2,576,379.24 : 3,555,335.70 = 1,430,430.12 : x - Step 2: Convert to fraction form
2,576,379.24/3,555,335.70 = 1,430,430.12/x - Step 3: Cross multiply
2,576,379.24x = 3,555,335.70 × 1,430,430.12 - Step 4: Simplify right side
2,576,379.24x = 5,085,659,271,991.28 - Step 5: Solve for x
x = 5,085,659,271,991.28/2,576,379.24 - Step 6: Final answer
x = 1,973,956.01
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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.