Finding the Fourth Proportional to 3,943,655.24, 5,442,247.86 and 2,132,819.24
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Solution
The fourth proportional to 3,943,655.24, 5,442,247.86 and 2,132,819.24 is: 2,943,292.51
Step by Step Solution
- Step 1: Write the proportion equation
3,943,655.24 : 5,442,247.86 = 2,132,819.24 : x - Step 2: Convert to fraction form
3,943,655.24/5,442,247.86 = 2,132,819.24/x - Step 3: Cross multiply
3,943,655.24x = 5,442,247.86 × 2,132,819.24 - Step 4: Simplify right side
3,943,655.24x = 11,607,330,944,656.83 - Step 5: Solve for x
x = 11,607,330,944,656.83/3,943,655.24 - Step 6: Final answer
x = 2,943,292.51
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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.