Finding the Fourth Proportional to 2,810,521.92, 3,878,294.33 and 1,587,125.06
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Solution
The fourth proportional to 2,810,521.92, 3,878,294.33 and 1,587,125.06 is: 2,190,105.00
Step by Step Solution
- Step 1: Write the proportion equation
2,810,521.92 : 3,878,294.33 = 1,587,125.06 : x - Step 2: Convert to fraction form
2,810,521.92/3,878,294.33 = 1,587,125.06/x - Step 3: Cross multiply
2,810,521.92x = 3,878,294.33 × 1,587,125.06 - Step 4: Simplify right side
2,810,521.92x = 6,155,338,121,198.91 - Step 5: Solve for x
x = 6,155,338,121,198.91/2,810,521.92 - Step 6: Final answer
x = 2,190,105.00
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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.