Finding the Fourth Proportional to 1,762,722.48, 2,433,301.20 and 1,190,537.68
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Solution
The fourth proportional to 1,762,722.48, 2,433,301.20 and 1,190,537.68 is: 1,643,444.61
Step by Step Solution
- Step 1: Write the proportion equation
1,762,722.48 : 2,433,301.20 = 1,190,537.68 : x - Step 2: Convert to fraction form
1,762,722.48/2,433,301.20 = 1,190,537.68/x - Step 3: Cross multiply
1,762,722.48x = 2,433,301.20 × 1,190,537.68 - Step 4: Simplify right side
1,762,722.48x = 2,896,936,765,389.22 - Step 5: Solve for x
x = 2,896,936,765,389.22/1,762,722.48 - Step 6: Final answer
x = 1,643,444.61
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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.