Finding the Fourth Proportional to 2,602,542.99, 3,591,259.94 and 1,440,946.70
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Solution
The fourth proportional to 2,602,542.99, 3,591,259.94 and 1,440,946.70 is: 1,988,368.37
Step by Step Solution
- Step 1: Write the proportion equation
2,602,542.99 : 3,591,259.94 = 1,440,946.70 : x - Step 2: Convert to fraction form
2,602,542.99/3,591,259.94 = 1,440,946.70/x - Step 3: Cross multiply
2,602,542.99x = 3,591,259.94 × 1,440,946.70 - Step 4: Simplify right side
2,602,542.99x = 5,174,814,150,923.09 - Step 5: Solve for x
x = 5,174,814,150,923.09/2,602,542.99 - Step 6: Final answer
x = 1,988,368.37
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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.