Finding the Fourth Proportional to 2,258,751.99, 3,117,083.09 and 1,240,222.35
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Solution
The fourth proportional to 2,258,751.99, 3,117,083.09 and 1,240,222.35 is: 1,711,509.77
Step by Step Solution
- Step 1: Write the proportion equation
2,258,751.99 : 3,117,083.09 = 1,240,222.35 : x - Step 2: Convert to fraction form
2,258,751.99/3,117,083.09 = 1,240,222.35/x - Step 3: Cross multiply
2,258,751.99x = 3,117,083.09 × 1,240,222.35 - Step 4: Simplify right side
2,258,751.99x = 3,865,876,108,823.95 - Step 5: Solve for x
x = 3,865,876,108,823.95/2,258,751.99 - Step 6: Final answer
x = 1,711,509.77
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1.5x scale
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.