Finding the Fourth Proportional to 5,586,223.74, 7,708,985.91 and 3,138,844.38
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Solution
The fourth proportional to 5,586,223.74, 7,708,985.91 and 3,138,844.38 is: 4,331,603.64
Step by Step Solution
- Step 1: Write the proportion equation
5,586,223.74 : 7,708,985.91 = 3,138,844.38 : x - Step 2: Convert to fraction form
5,586,223.74/7,708,985.91 = 3,138,844.38/x - Step 3: Cross multiply
5,586,223.74x = 7,708,985.91 × 3,138,844.38 - Step 4: Simplify right side
5,586,223.74x = 24,197,307,099,102.68 - Step 5: Solve for x
x = 24,197,307,099,102.68/5,586,223.74 - Step 6: Final answer
x = 4,331,603.64
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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.