Finding the Fourth Proportional to 2,128,344.75, 2,937,177.68 and 1,161,537.35
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Solution
The fourth proportional to 2,128,344.75, 2,937,177.68 and 1,161,537.35 is: 1,602,955.33
Step by Step Solution
- Step 1: Write the proportion equation
2,128,344.75 : 2,937,177.68 = 1,161,537.35 : x - Step 2: Convert to fraction form
2,128,344.75/2,937,177.68 = 1,161,537.35/x - Step 3: Cross multiply
2,128,344.75x = 2,937,177.68 × 1,161,537.35 - Step 4: Simplify right side
2,128,344.75x = 3,411,641,558,412.77 - Step 5: Solve for x
x = 3,411,641,558,412.77/2,128,344.75 - Step 6: Final answer
x = 1,602,955.33
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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.