Finding the Fourth Proportional to 3,963,980.16, 5,945,968.08 and 1,124,115.84
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Solution
The fourth proportional to 3,963,980.16, 5,945,968.08 and 1,124,115.84 is: 1,686,173.15
Step by Step Solution
- Step 1: Write the proportion equation
3,963,980.16 : 5,945,968.08 = 1,124,115.84 : x - Step 2: Convert to fraction form
3,963,980.16/5,945,968.08 = 1,124,115.84/x - Step 3: Cross multiply
3,963,980.16x = 5,945,968.08 × 1,124,115.84 - Step 4: Simplify right side
3,963,980.16x = 6,683,956,902,862.39 - Step 5: Solve for x
x = 6,683,956,902,862.39/3,963,980.16 - Step 6: Final answer
x = 1,686,173.15
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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.