Finding the Fourth Proportional to 1,921,688.34, 2,651,814.63 and 1,062,197.34
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Solution
The fourth proportional to 1,921,688.34, 2,651,814.63 and 1,062,197.34 is: 1,465,768.61
Step by Step Solution
- Step 1: Write the proportion equation
1,921,688.34 : 2,651,814.63 = 1,062,197.34 : x - Step 2: Convert to fraction form
1,921,688.34/2,651,814.63 = 1,062,197.34/x - Step 3: Cross multiply
1,921,688.34x = 2,651,814.63 × 1,062,197.34 - Step 4: Simplify right side
1,921,688.34x = 2,816,750,446,159.08 - Step 5: Solve for x
x = 2,816,750,446,159.08/1,921,688.34 - Step 6: Final answer
x = 1,465,768.61
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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.