Finding the Fourth Proportional to 1,762,676.49, 2,433,237.62 and 1,190,491.68
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Solution
The fourth proportional to 1,762,676.49, 2,433,237.62 and 1,190,491.68 is: 1,643,381.05
Step by Step Solution
- Step 1: Write the proportion equation
1,762,676.49 : 2,433,237.62 = 1,190,491.68 : x - Step 2: Convert to fraction form
1,762,676.49/2,433,237.62 = 1,190,491.68/x - Step 3: Cross multiply
1,762,676.49x = 2,433,237.62 × 1,190,491.68 - Step 4: Simplify right side
1,762,676.49x = 2,896,749,142,073.00 - Step 5: Solve for x
x = 2,896,749,142,073.00/1,762,676.49 - Step 6: Final answer
x = 1,643,381.05
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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.