Finding the Fourth Proportional to 2,912,605.94, 4,368,905.12 and 782,690.06
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Solution
The fourth proportional to 2,912,605.94, 4,368,905.12 and 782,690.06 is: 1,174,034.06
Step by Step Solution
- Step 1: Write the proportion equation
2,912,605.94 : 4,368,905.12 = 782,690.06 : x - Step 2: Convert to fraction form
2,912,605.94/4,368,905.12 = 782,690.06/x - Step 3: Cross multiply
2,912,605.94x = 4,368,905.12 × 782,690.06 - Step 4: Simplify right side
2,912,605.94x = 3,419,498,584,749.13 - Step 5: Solve for x
x = 3,419,498,584,749.13/2,912,605.94 - Step 6: Final answer
x = 1,174,034.06
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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.