Finding the Fourth Proportional to 2,599,971.15, 3,891,782.81 and 1,785,587.03
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Solution
The fourth proportional to 2,599,971.15, 3,891,782.81 and 1,785,587.03 is: 2,672,766.92
Step by Step Solution
- Step 1: Write the proportion equation
2,599,971.15 : 3,891,782.81 = 1,785,587.03 : x - Step 2: Convert to fraction form
2,599,971.15/3,891,782.81 = 1,785,587.03/x - Step 3: Cross multiply
2,599,971.15x = 3,891,782.81 × 1,785,587.03 - Step 4: Simplify right side
2,599,971.15x = 6,949,116,894,118.01 - Step 5: Solve for x
x = 6,949,116,894,118.01/2,599,971.15 - Step 6: Final answer
x = 2,672,766.92
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.