Finding the Fourth Proportional to 6,137,408.30, 9,205,779.60 and 1,877,576.90
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Solution
The fourth proportional to 6,137,408.30, 9,205,779.60 and 1,877,576.90 is: 2,816,263.52
Step by Step Solution
- Step 1: Write the proportion equation
6,137,408.30 : 9,205,779.60 = 1,877,576.90 : x - Step 2: Convert to fraction form
6,137,408.30/9,205,779.60 = 1,877,576.90/x - Step 3: Cross multiply
6,137,408.30x = 9,205,779.60 × 1,877,576.90 - Step 4: Simplify right side
6,137,408.30x = 17,284,559,123,451.24 - Step 5: Solve for x
x = 17,284,559,123,451.24/6,137,408.30 - Step 6: Final answer
x = 2,816,263.52
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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.