Finding the Fourth Proportional to 1,474,840.31, 2,035,319.00 and 830,284.90
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Solution
The fourth proportional to 1,474,840.31, 2,035,319.00 and 830,284.90 is: 1,145,815.32
Step by Step Solution
- Step 1: Write the proportion equation
1,474,840.31 : 2,035,319.00 = 830,284.90 : x - Step 2: Convert to fraction form
1,474,840.31/2,035,319.00 = 830,284.90/x - Step 3: Cross multiply
1,474,840.31x = 2,035,319.00 × 830,284.90 - Step 4: Simplify right side
1,474,840.31x = 1,689,894,623,143.38 - Step 5: Solve for x
x = 1,689,894,623,143.38/1,474,840.31 - Step 6: Final answer
x = 1,145,815.32
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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.