Finding the Fourth Proportional to 1,617,026.70, 2,427,289.65 and 908,438.70
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Solution
The fourth proportional to 1,617,026.70, 2,427,289.65 and 908,438.70 is: 1,363,640.97
Step by Step Solution
- Step 1: Write the proportion equation
1,617,026.70 : 2,427,289.65 = 908,438.70 : x - Step 2: Convert to fraction form
1,617,026.70/2,427,289.65 = 908,438.70/x - Step 3: Cross multiply
1,617,026.70x = 2,427,289.65 × 908,438.70 - Step 4: Simplify right side
1,617,026.70x = 2,205,043,854,169.45 - Step 5: Solve for x
x = 2,205,043,854,169.45/1,617,026.70 - Step 6: Final answer
x = 1,363,640.97
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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.