Finding the Fourth Proportional to 1,871,305.18, 2,582,399.35 and 1,011,863.39
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Solution
The fourth proportional to 1,871,305.18, 2,582,399.35 and 1,011,863.39 is: 1,396,370.50
Step by Step Solution
- Step 1: Write the proportion equation
1,871,305.18 : 2,582,399.35 = 1,011,863.39 : x - Step 2: Convert to fraction form
1,871,305.18/2,582,399.35 = 1,011,863.39/x - Step 3: Cross multiply
1,871,305.18x = 2,582,399.35 × 1,011,863.39 - Step 4: Simplify right side
1,871,305.18x = 2,613,035,360,657.66 - Step 5: Solve for x
x = 2,613,035,360,657.66/1,871,305.18 - Step 6: Final answer
x = 1,396,370.50
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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.