Finding the Fourth Proportional to 6,325,132.32, 8,726,415.12 and 3,607,303.68
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Solution
The fourth proportional to 6,325,132.32, 8,726,415.12 and 3,607,303.68 is: 4,976,785.90
Step by Step Solution
- Step 1: Write the proportion equation
6,325,132.32 : 8,726,415.12 = 3,607,303.68 : x - Step 2: Convert to fraction form
6,325,132.32/8,726,415.12 = 3,607,303.68/x - Step 3: Cross multiply
6,325,132.32x = 8,726,415.12 × 3,607,303.68 - Step 4: Simplify right side
6,325,132.32x = 31,478,829,375,583.64 - Step 5: Solve for x
x = 31,478,829,375,583.64/6,325,132.32 - Step 6: Final answer
x = 4,976,785.90
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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.