Finding the Fourth Proportional to 3,357,438.21, 5,036,461.83 and 928,743.63
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Solution
The fourth proportional to 3,357,438.21, 5,036,461.83 and 928,743.63 is: 1,393,199.68
Step by Step Solution
- Step 1: Write the proportion equation
3,357,438.21 : 5,036,461.83 = 928,743.63 : x - Step 2: Convert to fraction form
3,357,438.21/5,036,461.83 = 928,743.63/x - Step 3: Cross multiply
3,357,438.21x = 5,036,461.83 × 928,743.63 - Step 4: Simplify right side
3,357,438.21x = 4,677,581,842,350.64 - Step 5: Solve for x
x = 4,677,581,842,350.64/3,357,438.21 - Step 6: Final answer
x = 1,393,199.68
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1.5x scale
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.