Finding the Fourth Proportional to 2,251,062.72, 3,106,762.20 and 1,283,970.96
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Solution
The fourth proportional to 2,251,062.72, 3,106,762.20 and 1,283,970.96 is: 1,772,048.56
Step by Step Solution
- Step 1: Write the proportion equation
2,251,062.72 : 3,106,762.20 = 1,283,970.96 : x - Step 2: Convert to fraction form
2,251,062.72/3,106,762.20 = 1,283,970.96/x - Step 3: Cross multiply
2,251,062.72x = 3,106,762.20 × 1,283,970.96 - Step 4: Simplify right side
2,251,062.72x = 3,988,992,444,425.71 - Step 5: Solve for x
x = 3,988,992,444,425.71/2,251,062.72 - Step 6: Final answer
x = 1,772,048.56
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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.