Finding the Fourth Proportional to 2,390,803.94, 3,299,310.66 and 1,358,313.52
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Solution
The fourth proportional to 2,390,803.94, 3,299,310.66 and 1,358,313.52 is: 1,874,473.35
Step by Step Solution
- Step 1: Write the proportion equation
2,390,803.94 : 3,299,310.66 = 1,358,313.52 : x - Step 2: Convert to fraction form
2,390,803.94/3,299,310.66 = 1,358,313.52/x - Step 3: Cross multiply
2,390,803.94x = 3,299,310.66 × 1,358,313.52 - Step 4: Simplify right side
2,390,803.94x = 4,481,498,276,158.12 - Step 5: Solve for x
x = 4,481,498,276,158.12/2,390,803.94 - Step 6: Final answer
x = 1,874,473.35
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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.