Finding the Fourth Proportional to 1,536,701.20, 2,305,051.80 and 739,539.70
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Solution
The fourth proportional to 1,536,701.20, 2,305,051.80 and 739,539.70 is: 1,109,309.55
Step by Step Solution
- Step 1: Write the proportion equation
1,536,701.20 : 2,305,051.80 = 739,539.70 : x - Step 2: Convert to fraction form
1,536,701.20/2,305,051.80 = 739,539.70/x - Step 3: Cross multiply
1,536,701.20x = 2,305,051.80 × 739,539.70 - Step 4: Simplify right side
1,536,701.20x = 1,704,677,316,656.46 - Step 5: Solve for x
x = 1,704,677,316,656.46/1,536,701.20 - Step 6: Final answer
x = 1,109,309.55
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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.