Finding the Fourth Proportional to 3,248,493.57, 4,877,530.58 and 1,811,983.63
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Solution
The fourth proportional to 3,248,493.57, 4,877,530.58 and 1,811,983.63 is: 2,720,647.39
Step by Step Solution
- Step 1: Write the proportion equation
3,248,493.57 : 4,877,530.58 = 1,811,983.63 : x - Step 2: Convert to fraction form
3,248,493.57/4,877,530.58 = 1,811,983.63/x - Step 3: Cross multiply
3,248,493.57x = 4,877,530.58 × 1,811,983.63 - Step 4: Simplify right side
3,248,493.57x = 8,838,005,565,784.40 - Step 5: Solve for x
x = 8,838,005,565,784.40/3,248,493.57 - Step 6: Final answer
x = 2,720,647.39
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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.