Finding the Fourth Proportional to 3,791,483.57, 5,686,664.76 and 1,394,767.70
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Solution
The fourth proportional to 3,791,483.57, 5,686,664.76 and 1,394,767.70 is: 2,091,945.32
Step by Step Solution
- Step 1: Write the proportion equation
3,791,483.57 : 5,686,664.76 = 1,394,767.70 : x - Step 2: Convert to fraction form
3,791,483.57/5,686,664.76 = 1,394,767.70/x - Step 3: Cross multiply
3,791,483.57x = 5,686,664.76 × 1,394,767.70 - Step 4: Simplify right side
3,791,483.57x = 7,931,576,299,542.93 - Step 5: Solve for x
x = 7,931,576,299,542.93/3,791,483.57 - Step 6: Final answer
x = 2,091,945.32
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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.