Finding the Fourth Proportional to 3,126,364.41, 4,688,702.91 and 1,104,342.12
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Solution
The fourth proportional to 3,126,364.41, 4,688,702.91 and 1,104,342.12 is: 1,656,215.15
Step by Step Solution
- Step 1: Write the proportion equation
3,126,364.41 : 4,688,702.91 = 1,104,342.12 : x - Step 2: Convert to fraction form
3,126,364.41/4,688,702.91 = 1,104,342.12/x - Step 3: Cross multiply
3,126,364.41x = 4,688,702.91 × 1,104,342.12 - Step 4: Simplify right side
3,126,364.41x = 5,177,932,111,679.57 - Step 5: Solve for x
x = 5,177,932,111,679.57/3,126,364.41 - Step 6: Final answer
x = 1,656,215.15
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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.