Finding the Fourth Proportional to 1,873,907.99, 2,811,981.48 and 1,721,449.49
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Solution
The fourth proportional to 1,873,907.99, 2,811,981.48 and 1,721,449.49 is: 2,583,202.64
Step by Step Solution
- Step 1: Write the proportion equation
1,873,907.99 : 2,811,981.48 = 1,721,449.49 : x - Step 2: Convert to fraction form
1,873,907.99/2,811,981.48 = 1,721,449.49/x - Step 3: Cross multiply
1,873,907.99x = 2,811,981.48 × 1,721,449.49 - Step 4: Simplify right side
1,873,907.99x = 4,840,684,064,120.10 - Step 5: Solve for x
x = 4,840,684,064,120.10/1,873,907.99 - Step 6: Final answer
x = 2,583,202.64
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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.