Finding the Fourth Proportional to 2,293,949.28, 3,438,774.56 and 776,570.88
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Solution
The fourth proportional to 2,293,949.28, 3,438,774.56 and 776,570.88 is: 1,164,128.70
Step by Step Solution
- Step 1: Write the proportion equation
2,293,949.28 : 3,438,774.56 = 776,570.88 : x - Step 2: Convert to fraction form
2,293,949.28/3,438,774.56 = 776,570.88/x - Step 3: Cross multiply
2,293,949.28x = 3,438,774.56 × 776,570.88 - Step 4: Simplify right side
2,293,949.28x = 2,670,452,186,180.81 - Step 5: Solve for x
x = 2,670,452,186,180.81/2,293,949.28 - Step 6: Final answer
x = 1,164,128.70
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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.