Finding the Fourth Proportional to 1,444,395.14, 2,163,399.23 and 987,904.45
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Solution
The fourth proportional to 1,444,395.14, 2,163,399.23 and 987,904.45 is: 1,479,672.47
Step by Step Solution
- Step 1: Write the proportion equation
1,444,395.14 : 2,163,399.23 = 987,904.45 : x - Step 2: Convert to fraction form
1,444,395.14/2,163,399.23 = 987,904.45/x - Step 3: Cross multiply
1,444,395.14x = 2,163,399.23 × 987,904.45 - Step 4: Simplify right side
1,444,395.14x = 2,137,231,727,449.91 - Step 5: Solve for x
x = 2,137,231,727,449.91/1,444,395.14 - Step 6: Final answer
x = 1,479,672.47
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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.