Finding the Fourth Proportional to 5,553,411.20, 8,330,116.80 and 1,767,276.80
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Solution
The fourth proportional to 5,553,411.20, 8,330,116.80 and 1,767,276.80 is: 2,650,915.20
Step by Step Solution
- Step 1: Write the proportion equation
5,553,411.20 : 8,330,116.80 = 1,767,276.80 : x - Step 2: Convert to fraction form
5,553,411.20/8,330,116.80 = 1,767,276.80/x - Step 3: Cross multiply
5,553,411.20x = 8,330,116.80 × 1,767,276.80 - Step 4: Simplify right side
5,553,411.20x = 14,721,622,161,930.24 - Step 5: Solve for x
x = 14,721,622,161,930.24/5,553,411.20 - Step 6: Final answer
x = 2,650,915.20
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1.5x scale
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.