Finding the Fourth Proportional to 1,927,720.40, 2,660,269.80 and 1,068,294.80
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Solution
The fourth proportional to 1,927,720.40, 2,660,269.80 and 1,068,294.80 is: 1,474,255.50
Step by Step Solution
- Step 1: Write the proportion equation
1,927,720.40 : 2,660,269.80 = 1,068,294.80 : x - Step 2: Convert to fraction form
1,927,720.40/2,660,269.80 = 1,068,294.80/x - Step 3: Cross multiply
1,927,720.40x = 2,660,269.80 × 1,068,294.80 - Step 4: Simplify right side
1,927,720.40x = 2,841,952,393,937.04 - Step 5: Solve for x
x = 2,841,952,393,937.04/1,927,720.40 - Step 6: Final answer
x = 1,474,255.50
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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.