Finding the Fourth Proportional to 5,913,388.32, 8,160,487.74 and 3,197,134.32
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Solution
The fourth proportional to 5,913,388.32, 8,160,487.74 and 3,197,134.32 is: 4,412,051.77
Step by Step Solution
- Step 1: Write the proportion equation
5,913,388.32 : 8,160,487.74 = 3,197,134.32 : x - Step 2: Convert to fraction form
5,913,388.32/8,160,487.74 = 3,197,134.32/x - Step 3: Cross multiply
5,913,388.32x = 8,160,487.74 × 3,197,134.32 - Step 4: Simplify right side
5,913,388.32x = 26,090,175,421,493.23 - Step 5: Solve for x
x = 26,090,175,421,493.23/5,913,388.32 - Step 6: Final answer
x = 4,412,051.77
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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.