Finding the Fourth Proportional to 3,854,976, 5,319,983.52 and 2,135,935.68
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Solution
The fourth proportional to 3,854,976, 5,319,983.52 and 2,135,935.68 is: 2,947,655.87
Step by Step Solution
- Step 1: Write the proportion equation
3,854,976 : 5,319,983.52 = 2,135,935.68 : x - Step 2: Convert to fraction form
3,854,976/5,319,983.52 = 2,135,935.68/x - Step 3: Cross multiply
3,854,976x = 5,319,983.52 × 2,135,935.68 - Step 4: Simplify right side
3,854,976x = 11,363,142,617,379.99 - Step 5: Solve for x
x = 11,363,142,617,379.99/3,854,976 - Step 6: Final answer
x = 2,947,655.87
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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.