Finding the Fourth Proportional to 4,905,801.14, 7,358,141.14 and 1,311,848.31
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Solution
The fourth proportional to 4,905,801.14, 7,358,141.14 and 1,311,848.31 is: 1,967,622.56
Step by Step Solution
- Step 1: Write the proportion equation
4,905,801.14 : 7,358,141.14 = 1,311,848.31 : x - Step 2: Convert to fraction form
4,905,801.14/7,358,141.14 = 1,311,848.31/x - Step 3: Cross multiply
4,905,801.14x = 7,358,141.14 × 1,311,848.31 - Step 4: Simplify right side
4,905,801.14x = 9,652,765,015,970.85 - Step 5: Solve for x
x = 9,652,765,015,970.85/4,905,801.14 - Step 6: Final answer
x = 1,967,622.56
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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.