Finding the Fourth Proportional to 2,091,625.36, 3,137,396.12 and 1,376,484.28
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Solution
The fourth proportional to 2,091,625.36, 3,137,396.12 and 1,376,484.28 is: 2,064,698.83
Step by Step Solution
- Step 1: Write the proportion equation
2,091,625.36 : 3,137,396.12 = 1,376,484.28 : x - Step 2: Convert to fraction form
2,091,625.36/3,137,396.12 = 1,376,484.28/x - Step 3: Cross multiply
2,091,625.36x = 3,137,396.12 × 1,376,484.28 - Step 4: Simplify right side
2,091,625.36x = 4,318,576,439,312.99 - Step 5: Solve for x
x = 4,318,576,439,312.99/2,091,625.36 - Step 6: Final answer
x = 2,064,698.83
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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.