Finding the Fourth Proportional to 2,128,344.73, 2,937,177.65 and 1,161,537.37
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Solution
The fourth proportional to 2,128,344.73, 2,937,177.65 and 1,161,537.37 is: 1,602,955.36
Step by Step Solution
- Step 1: Write the proportion equation
2,128,344.73 : 2,937,177.65 = 1,161,537.37 : x - Step 2: Convert to fraction form
2,128,344.73/2,937,177.65 = 1,161,537.37/x - Step 3: Cross multiply
2,128,344.73x = 2,937,177.65 × 1,161,537.37 - Step 4: Simplify right side
2,128,344.73x = 3,411,641,598,364.68 - Step 5: Solve for x
x = 3,411,641,598,364.68/2,128,344.73 - Step 6: Final answer
x = 1,602,955.36
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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.