Finding the Fourth Proportional to 3,564,672.95, 4,919,249.79 and 1,933,079.82
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Solution
The fourth proportional to 3,564,672.95, 4,919,249.79 and 1,933,079.82 is: 2,667,650.76
Step by Step Solution
- Step 1: Write the proportion equation
3,564,672.95 : 4,919,249.79 = 1,933,079.82 : x - Step 2: Convert to fraction form
3,564,672.95/4,919,249.79 = 1,933,079.82/x - Step 3: Cross multiply
3,564,672.95x = 4,919,249.79 × 1,933,079.82 - Step 4: Simplify right side
3,564,672.95x = 9,509,302,498,588.24 - Step 5: Solve for x
x = 9,509,302,498,588.24/3,564,672.95 - Step 6: Final answer
x = 2,667,650.76
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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.