Finding the Fourth Proportional to 4,382,953.76, 6,574,430.63 and 1,188,079.94
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Solution
The fourth proportional to 4,382,953.76, 6,574,430.63 and 1,188,079.94 is: 1,782,119.91
Step by Step Solution
- Step 1: Write the proportion equation
4,382,953.76 : 6,574,430.63 = 1,188,079.94 : x - Step 2: Convert to fraction form
4,382,953.76/6,574,430.63 = 1,188,079.94/x - Step 3: Cross multiply
4,382,953.76x = 6,574,430.63 × 1,188,079.94 - Step 4: Simplify right side
4,382,953.76x = 7,810,949,148,424.56 - Step 5: Solve for x
x = 7,810,949,148,424.56/4,382,953.76 - Step 6: Final answer
x = 1,782,119.91
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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.