Finding the Fourth Proportional to 1,490,691.93, 2,057,204.97 and 837,432.60
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Solution
The fourth proportional to 1,490,691.93, 2,057,204.97 and 837,432.60 is: 1,155,685.14
Step by Step Solution
- Step 1: Write the proportion equation
1,490,691.93 : 2,057,204.97 = 837,432.60 : x - Step 2: Convert to fraction form
1,490,691.93/2,057,204.97 = 837,432.60/x - Step 3: Cross multiply
1,490,691.93x = 2,057,204.97 × 837,432.60 - Step 4: Simplify right side
1,490,691.93x = 1,722,770,506,760.02 - Step 5: Solve for x
x = 1,722,770,506,760.02/1,490,691.93 - Step 6: Final answer
x = 1,155,685.14
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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.