Finding the Fourth Proportional to 1,579,215.80, 2,368,824.11 and 442,145.52
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Solution
The fourth proportional to 1,579,215.80, 2,368,824.11 and 442,145.52 is: 663,218.39
Step by Step Solution
- Step 1: Write the proportion equation
1,579,215.80 : 2,368,824.11 = 442,145.52 : x - Step 2: Convert to fraction form
1,579,215.80/2,368,824.11 = 442,145.52/x - Step 3: Cross multiply
1,579,215.80x = 2,368,824.11 × 442,145.52 - Step 4: Simplify right side
1,579,215.80x = 1,047,364,967,904.49 - Step 5: Solve for x
x = 1,047,364,967,904.49/1,579,215.80 - Step 6: Final answer
x = 663,218.39
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.