Finding the Fourth Proportional to 4,430,552.42, 6,115,299.86 and 2,885,663.72
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Solution
The fourth proportional to 4,430,552.42, 6,115,299.86 and 2,885,663.72 is: 3,982,956.81
Step by Step Solution
- Step 1: Write the proportion equation
4,430,552.42 : 6,115,299.86 = 2,885,663.72 : x - Step 2: Convert to fraction form
4,430,552.42/6,115,299.86 = 2,885,663.72/x - Step 3: Cross multiply
4,430,552.42x = 6,115,299.86 × 2,885,663.72 - Step 4: Simplify right side
4,430,552.42x = 17,646,698,942,923.08 - Step 5: Solve for x
x = 17,646,698,942,923.08/4,430,552.42 - Step 6: Final answer
x = 3,982,956.81
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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.