Finding the Fourth Proportional to 4,991,038.32, 6,887,951.76 and 2,814,787.44
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Solution
The fourth proportional to 4,991,038.32, 6,887,951.76 and 2,814,787.44 is: 3,884,586.50
Step by Step Solution
- Step 1: Write the proportion equation
4,991,038.32 : 6,887,951.76 = 2,814,787.44 : x - Step 2: Convert to fraction form
4,991,038.32/6,887,951.76 = 2,814,787.44/x - Step 3: Cross multiply
4,991,038.32x = 6,887,951.76 × 2,814,787.44 - Step 4: Simplify right side
4,991,038.32x = 19,388,120,101,373.89 - Step 5: Solve for x
x = 19,388,120,101,373.89/4,991,038.32 - Step 6: Final answer
x = 3,884,586.50
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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.