Finding the Fourth Proportional to 1,721,527.99, 2,371,941.30 and 1,139,764.12
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Solution
The fourth proportional to 1,721,527.99, 2,371,941.30 and 1,139,764.12 is: 1,570,380.27
Step by Step Solution
- Step 1: Write the proportion equation
1,721,527.99 : 2,371,941.30 = 1,139,764.12 : x - Step 2: Convert to fraction form
1,721,527.99/2,371,941.30 = 1,139,764.12/x - Step 3: Cross multiply
1,721,527.99x = 2,371,941.30 × 1,139,764.12 - Step 4: Simplify right side
1,721,527.99x = 2,703,453,588,486.16 - Step 5: Solve for x
x = 2,703,453,588,486.16/1,721,527.99 - Step 6: Final answer
x = 1,570,380.27
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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.