Finding the Fourth Proportional to 4,879,041.44, 7,318,008.20 and 1,285,089.60
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Solution
The fourth proportional to 4,879,041.44, 7,318,008.20 and 1,285,089.60 is: 1,927,488.49
Step by Step Solution
- Step 1: Write the proportion equation
4,879,041.44 : 7,318,008.20 = 1,285,089.60 : x - Step 2: Convert to fraction form
4,879,041.44/7,318,008.20 = 1,285,089.60/x - Step 3: Cross multiply
4,879,041.44x = 7,318,008.20 × 1,285,089.60 - Step 4: Simplify right side
4,879,041.44x = 9,404,296,230,534.72 - Step 5: Solve for x
x = 9,404,296,230,534.72/4,879,041.44 - Step 6: Final answer
x = 1,927,488.49
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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.