Finding the Fourth Proportional to 2,855,237.48, 4,283,977.75 and 1,256,679.90
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Solution
The fourth proportional to 2,855,237.48, 4,283,977.75 and 1,256,679.90 is: 1,885,513.47
Step by Step Solution
- Step 1: Write the proportion equation
2,855,237.48 : 4,283,977.75 = 1,256,679.90 : x - Step 2: Convert to fraction form
2,855,237.48/4,283,977.75 = 1,256,679.90/x - Step 3: Cross multiply
2,855,237.48x = 4,283,977.75 × 1,256,679.90 - Step 4: Simplify right side
2,855,237.48x = 5,383,588,730,472.22 - Step 5: Solve for x
x = 5,383,588,730,472.22/2,855,237.48 - Step 6: Final answer
x = 1,885,513.47
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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.