Finding the Fourth Proportional to 3,187,177.24, 4,398,176.61 and 1,736,841.76
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Solution
The fourth proportional to 3,187,177.24, 4,398,176.61 and 1,736,841.76 is: 2,396,771.89
Step by Step Solution
- Step 1: Write the proportion equation
3,187,177.24 : 4,398,176.61 = 1,736,841.76 : x - Step 2: Convert to fraction form
3,187,177.24/4,398,176.61 = 1,736,841.76/x - Step 3: Cross multiply
3,187,177.24x = 4,398,176.61 × 1,736,841.76 - Step 4: Simplify right side
3,187,177.24x = 7,638,936,804,103.24 - Step 5: Solve for x
x = 7,638,936,804,103.24/3,187,177.24 - Step 6: Final answer
x = 2,396,771.89
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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.