Finding the Fourth Proportional to 2,380,258.09, 3,569,628.95 and 782,452.90
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Solution
The fourth proportional to 2,380,258.09, 3,569,628.95 and 782,452.90 is: 1,173,430.11
Step by Step Solution
- Step 1: Write the proportion equation
2,380,258.09 : 3,569,628.95 = 782,452.90 : x - Step 2: Convert to fraction form
2,380,258.09/3,569,628.95 = 782,452.90/x - Step 3: Cross multiply
2,380,258.09x = 3,569,628.95 × 782,452.90 - Step 4: Simplify right side
2,380,258.09x = 2,793,066,523,851.46 - Step 5: Solve for x
x = 2,793,066,523,851.46/2,380,258.09 - Step 6: Final answer
x = 1,173,430.11
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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.