Finding the Fourth Proportional to 1,444,347.30, 2,165,536.80 and 686,551.80
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Solution
The fourth proportional to 1,444,347.30, 2,165,536.80 and 686,551.80 is: 1,029,359.90
Step by Step Solution
- Step 1: Write the proportion equation
1,444,347.30 : 2,165,536.80 = 686,551.80 : x - Step 2: Convert to fraction form
1,444,347.30/2,165,536.80 = 686,551.80/x - Step 3: Cross multiply
1,444,347.30x = 2,165,536.80 × 686,551.80 - Step 4: Simplify right side
1,444,347.30x = 1,486,753,188,006.24 - Step 5: Solve for x
x = 1,486,753,188,006.24/1,444,347.30 - Step 6: Final answer
x = 1,029,359.90
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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.