Finding the Fourth Proportional to 4,853,715.57, 6,698,119.53 and 2,678,257.02
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Solution
The fourth proportional to 4,853,715.57, 6,698,119.53 and 2,678,257.02 is: 3,695,990.30
Step by Step Solution
- Step 1: Write the proportion equation
4,853,715.57 : 6,698,119.53 = 2,678,257.02 : x - Step 2: Convert to fraction form
4,853,715.57/6,698,119.53 = 2,678,257.02/x - Step 3: Cross multiply
4,853,715.57x = 6,698,119.53 × 2,678,257.02 - Step 4: Simplify right side
4,853,715.57x = 17,939,285,652,021.60 - Step 5: Solve for x
x = 17,939,285,652,021.60/4,853,715.57 - Step 6: Final answer
x = 3,695,990.30
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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.