Finding the Fourth Proportional to 1,802,432.25, 2,487,358.94 and 1,123,368.75
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Solution
The fourth proportional to 1,802,432.25, 2,487,358.94 and 1,123,368.75 is: 1,550,250.39
Step by Step Solution
- Step 1: Write the proportion equation
1,802,432.25 : 2,487,358.94 = 1,123,368.75 : x - Step 2: Convert to fraction form
1,802,432.25/2,487,358.94 = 1,123,368.75/x - Step 3: Cross multiply
1,802,432.25x = 2,487,358.94 × 1,123,368.75 - Step 4: Simplify right side
1,802,432.25x = 2,794,221,297,612.28 - Step 5: Solve for x
x = 2,794,221,297,612.28/1,802,432.25 - Step 6: Final answer
x = 1,550,250.39
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.