Finding the Fourth Proportional to 2,133,324.12, 2,943,930.74 and 1,262,203.74
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Solution
The fourth proportional to 2,133,324.12, 2,943,930.74 and 1,262,203.74 is: 1,741,807.71
Step by Step Solution
- Step 1: Write the proportion equation
2,133,324.12 : 2,943,930.74 = 1,262,203.74 : x - Step 2: Convert to fraction form
2,133,324.12/2,943,930.74 = 1,262,203.74/x - Step 3: Cross multiply
2,133,324.12x = 2,943,930.74 × 1,262,203.74 - Step 4: Simplify right side
2,133,324.12x = 3,715,840,390,328.97 - Step 5: Solve for x
x = 3,715,840,390,328.97/2,133,324.12 - Step 6: Final answer
x = 1,741,807.71
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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.