Finding the Fourth Proportional to 3,565,139.76, 4,920,521.76 and 2,115,634.68
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Solution
The fourth proportional to 3,565,139.76, 4,920,521.76 and 2,115,634.68 is: 2,919,949.06
Step by Step Solution
- Step 1: Write the proportion equation
3,565,139.76 : 4,920,521.76 = 2,115,634.68 : x - Step 2: Convert to fraction form
3,565,139.76/4,920,521.76 = 2,115,634.68/x - Step 3: Cross multiply
3,565,139.76x = 4,920,521.76 × 2,115,634.68 - Step 4: Simplify right side
3,565,139.76x = 10,410,026,479,150.64 - Step 5: Solve for x
x = 10,410,026,479,150.64/3,565,139.76 - Step 6: Final answer
x = 2,919,949.06
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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.