Finding the Fourth Proportional to 1,518,415.11, 2,277,312.84 and 558,540.81
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Solution
The fourth proportional to 1,518,415.11, 2,277,312.84 and 558,540.81 is: 837,697.25
Step by Step Solution
- Step 1: Write the proportion equation
1,518,415.11 : 2,277,312.84 = 558,540.81 : x - Step 2: Convert to fraction form
1,518,415.11/2,277,312.84 = 558,540.81/x - Step 3: Cross multiply
1,518,415.11x = 2,277,312.84 × 558,540.81 - Step 4: Simplify right side
1,518,415.11x = 1,271,972,158,277.00 - Step 5: Solve for x
x = 1,271,972,158,277.00/1,518,415.11 - Step 6: Final answer
x = 837,697.25
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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.