Finding the Fourth Proportional to 2,259,125.37, 3,117,578.63 and 1,292,271.71
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Solution
The fourth proportional to 2,259,125.37, 3,117,578.63 and 1,292,271.71 is: 1,783,326.72
Step by Step Solution
- Step 1: Write the proportion equation
2,259,125.37 : 3,117,578.63 = 1,292,271.71 : x - Step 2: Convert to fraction form
2,259,125.37/3,117,578.63 = 1,292,271.71/x - Step 3: Cross multiply
2,259,125.37x = 3,117,578.63 × 1,292,271.71 - Step 4: Simplify right side
2,259,125.37x = 4,028,758,645,200.31 - Step 5: Solve for x
x = 4,028,758,645,200.31/2,259,125.37 - Step 6: Final answer
x = 1,783,326.72
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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.