Finding the Fourth Proportional to 2,420,105.47, 3,339,618.75 and 1,332,164.55
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Solution
The fourth proportional to 2,420,105.47, 3,339,618.75 and 1,332,164.55 is: 1,838,317.28
Step by Step Solution
- Step 1: Write the proportion equation
2,420,105.47 : 3,339,618.75 = 1,332,164.55 : x - Step 2: Convert to fraction form
2,420,105.47/3,339,618.75 = 1,332,164.55/x - Step 3: Cross multiply
2,420,105.47x = 3,339,618.75 × 1,332,164.55 - Step 4: Simplify right side
2,420,105.47x = 4,448,921,691,746.13 - Step 5: Solve for x
x = 4,448,921,691,746.13/2,420,105.47 - Step 6: Final answer
x = 1,838,317.28
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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.