Finding the Fourth Proportional to 2,740,605.30, 3,781,938.83 and 1,516,913.19
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Solution
The fourth proportional to 2,740,605.30, 3,781,938.83 and 1,516,913.19 is: 2,093,286.80
Step by Step Solution
- Step 1: Write the proportion equation
2,740,605.30 : 3,781,938.83 = 1,516,913.19 : x - Step 2: Convert to fraction form
2,740,605.30/3,781,938.83 = 1,516,913.19/x - Step 3: Cross multiply
2,740,605.30x = 3,781,938.83 × 1,516,913.19 - Step 4: Simplify right side
2,740,605.30x = 5,736,872,887,415.60 - Step 5: Solve for x
x = 5,736,872,887,415.60/2,740,605.30 - Step 6: Final answer
x = 2,093,286.80
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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.