Finding the Fourth Proportional to 3,348,702.72, 4,621,177.68 and 1,820,810.40
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Solution
The fourth proportional to 3,348,702.72, 4,621,177.68 and 1,820,810.40 is: 2,512,700.91
Step by Step Solution
- Step 1: Write the proportion equation
3,348,702.72 : 4,621,177.68 = 1,820,810.40 : x - Step 2: Convert to fraction form
3,348,702.72/4,621,177.68 = 1,820,810.40/x - Step 3: Cross multiply
3,348,702.72x = 4,621,177.68 × 1,820,810.40 - Step 4: Simplify right side
3,348,702.72x = 8,414,288,379,991.87 - Step 5: Solve for x
x = 8,414,288,379,991.87/3,348,702.72 - Step 6: Final answer
x = 2,512,700.91
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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.