Finding the Fourth Proportional to 1,762,012.96, 2,431,371.68 and 1,036,701.28
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Solution
The fourth proportional to 1,762,012.96, 2,431,371.68 and 1,036,701.28 is: 1,430,526.44
Step by Step Solution
- Step 1: Write the proportion equation
1,762,012.96 : 2,431,371.68 = 1,036,701.28 : x - Step 2: Convert to fraction form
1,762,012.96/2,431,371.68 = 1,036,701.28/x - Step 3: Cross multiply
1,762,012.96x = 2,431,371.68 × 1,036,701.28 - Step 4: Simplify right side
1,762,012.96x = 2,520,606,132,811.75 - Step 5: Solve for x
x = 2,520,606,132,811.75/1,762,012.96 - Step 6: Final answer
x = 1,430,526.44
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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.