Finding the Fourth Proportional to 4,442,215.19, 6,663,729.42 and 1,247,319.81
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Solution
The fourth proportional to 4,442,215.19, 6,663,729.42 and 1,247,319.81 is: 1,871,093.89
Step by Step Solution
- Step 1: Write the proportion equation
4,442,215.19 : 6,663,729.42 = 1,247,319.81 : x - Step 2: Convert to fraction form
4,442,215.19/6,663,729.42 = 1,247,319.81/x - Step 3: Cross multiply
4,442,215.19x = 6,663,729.42 × 1,247,319.81 - Step 4: Simplify right side
4,442,215.19x = 8,311,801,714,045.81 - Step 5: Solve for x
x = 8,311,801,714,045.81/4,442,215.19 - Step 6: Final answer
x = 1,871,093.89
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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.