Finding the Fourth Proportional to 4,912,798.86, 7,368,181.92 and 1,317,710.44
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Solution
The fourth proportional to 4,912,798.86, 7,368,181.92 and 1,317,710.44 is: 1,976,293.05
Step by Step Solution
- Step 1: Write the proportion equation
4,912,798.86 : 7,368,181.92 = 1,317,710.44 : x - Step 2: Convert to fraction form
4,912,798.86/7,368,181.92 = 1,317,710.44/x - Step 3: Cross multiply
4,912,798.86x = 7,368,181.92 × 1,317,710.44 - Step 4: Simplify right side
4,912,798.86x = 9,709,130,239,803.24 - Step 5: Solve for x
x = 9,709,130,239,803.24/4,912,798.86 - Step 6: Final answer
x = 1,976,293.05
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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.