Finding the Fourth Proportional to 1,803,996.36, 2,487,797.64 and 1,078,728.84
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Solution
The fourth proportional to 1,803,996.36, 2,487,797.64 and 1,078,728.84 is: 1,487,618.89
Step by Step Solution
- Step 1: Write the proportion equation
1,803,996.36 : 2,487,797.64 = 1,078,728.84 : x - Step 2: Convert to fraction form
1,803,996.36/2,487,797.64 = 1,078,728.84/x - Step 3: Cross multiply
1,803,996.36x = 2,487,797.64 × 1,078,728.84 - Step 4: Simplify right side
1,803,996.36x = 2,683,659,062,351.94 - Step 5: Solve for x
x = 2,683,659,062,351.94/1,803,996.36 - Step 6: Final answer
x = 1,487,618.89
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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.