Finding the Fourth Proportional to 3,828,134.26, 5,282,944.95 and 2,196,840.07
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Solution
The fourth proportional to 3,828,134.26, 5,282,944.95 and 2,196,840.07 is: 3,031,707.97
Step by Step Solution
- Step 1: Write the proportion equation
3,828,134.26 : 5,282,944.95 = 2,196,840.07 : x - Step 2: Convert to fraction form
3,828,134.26/5,282,944.95 = 2,196,840.07/x - Step 3: Cross multiply
3,828,134.26x = 5,282,944.95 × 2,196,840.07 - Step 4: Simplify right side
3,828,134.26x = 11,605,785,153,764.15 - Step 5: Solve for x
x = 11,605,785,153,764.15/3,828,134.26 - Step 6: Final answer
x = 3,031,707.97
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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.