Finding the Fourth Proportional to 4,582,342.80, 6,871,764.60 and 1,386,406.80
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Solution
The fourth proportional to 4,582,342.80, 6,871,764.60 and 1,386,406.80 is: 2,079,080.85
Step by Step Solution
- Step 1: Write the proportion equation
4,582,342.80 : 6,871,764.60 = 1,386,406.80 : x - Step 2: Convert to fraction form
4,582,342.80/6,871,764.60 = 1,386,406.80/x - Step 3: Cross multiply
4,582,342.80x = 6,871,764.60 × 1,386,406.80 - Step 4: Simplify right side
4,582,342.80x = 9,527,061,169,439.28 - Step 5: Solve for x
x = 9,527,061,169,439.28/4,582,342.80 - Step 6: Final answer
x = 2,079,080.85
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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.