Finding the Fourth Proportional to 1,531,574.68, 2,297,362.56 and 689,142.28
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Solution
The fourth proportional to 1,531,574.68, 2,297,362.56 and 689,142.28 is: 1,033,713.66
Step by Step Solution
- Step 1: Write the proportion equation
1,531,574.68 : 2,297,362.56 = 689,142.28 : x - Step 2: Convert to fraction form
1,531,574.68/2,297,362.56 = 689,142.28/x - Step 3: Cross multiply
1,531,574.68x = 2,297,362.56 × 689,142.28 - Step 4: Simplify right side
1,531,574.68x = 1,583,209,672,585.04 - Step 5: Solve for x
x = 1,583,209,672,585.04/1,531,574.68 - Step 6: Final answer
x = 1,033,713.66
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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.