Finding the Fourth Proportional to 3,933,137.14, 5,427,830.73 and 2,214,319.17
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Solution
The fourth proportional to 3,933,137.14, 5,427,830.73 and 2,214,319.17 is: 3,055,817.59
Step by Step Solution
- Step 1: Write the proportion equation
3,933,137.14 : 5,427,830.73 = 2,214,319.17 : x - Step 2: Convert to fraction form
3,933,137.14/5,427,830.73 = 2,214,319.17/x - Step 3: Cross multiply
3,933,137.14x = 5,427,830.73 × 2,214,319.17 - Step 4: Simplify right side
3,933,137.14x = 12,018,949,636,954.09 - Step 5: Solve for x
x = 12,018,949,636,954.09/3,933,137.14 - Step 6: Final answer
x = 3,055,817.59
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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.