Finding the Fourth Proportional to 2,936,845.42, 4,056,975.76 and 2,266,398.70
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Solution
The fourth proportional to 2,936,845.42, 4,056,975.76 and 2,266,398.70 is: 3,130,816.67
Step by Step Solution
- Step 1: Write the proportion equation
2,936,845.42 : 4,056,975.76 = 2,266,398.70 : x - Step 2: Convert to fraction form
2,936,845.42/4,056,975.76 = 2,266,398.70/x - Step 3: Cross multiply
2,936,845.42x = 4,056,975.76 × 2,266,398.70 - Step 4: Simplify right side
2,936,845.42x = 9,194,724,588,395.51 - Step 5: Solve for x
x = 9,194,724,588,395.51/2,936,845.42 - Step 6: Final answer
x = 3,130,816.67
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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.