Finding the Fourth Proportional to 2,785,912.57, 3,845,110.71 and 1,807,064.68
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Solution
The fourth proportional to 2,785,912.57, 3,845,110.71 and 1,807,064.68 is: 2,494,106.90
Step by Step Solution
- Step 1: Write the proportion equation
2,785,912.57 : 3,845,110.71 = 1,807,064.68 : x - Step 2: Convert to fraction form
2,785,912.57/3,845,110.71 = 1,807,064.68/x - Step 3: Cross multiply
2,785,912.57x = 3,845,110.71 × 1,807,064.68 - Step 4: Simplify right side
2,785,912.57x = 6,948,363,754,730.72 - Step 5: Solve for x
x = 6,948,363,754,730.72/2,785,912.57 - Step 6: Final answer
x = 2,494,106.90
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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.