Finding the Fourth Proportional to 3,228,139.80, 4,842,506.70 and 831,993.30
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Solution
The fourth proportional to 3,228,139.80, 4,842,506.70 and 831,993.30 is: 1,248,066.50
Step by Step Solution
- Step 1: Write the proportion equation
3,228,139.80 : 4,842,506.70 = 831,993.30 : x - Step 2: Convert to fraction form
3,228,139.80/4,842,506.70 = 831,993.30/x - Step 3: Cross multiply
3,228,139.80x = 4,842,506.70 × 831,993.30 - Step 4: Simplify right side
3,228,139.80x = 4,028,933,129,605.11 - Step 5: Solve for x
x = 4,028,933,129,605.11/3,228,139.80 - Step 6: Final answer
x = 1,248,066.50
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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.