Finding the Fourth Proportional to 1,689,307.44, 2,534,781.96 and 742,555.68
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Solution
The fourth proportional to 1,689,307.44, 2,534,781.96 and 742,555.68 is: 1,114,194.31
Step by Step Solution
- Step 1: Write the proportion equation
1,689,307.44 : 2,534,781.96 = 742,555.68 : x - Step 2: Convert to fraction form
1,689,307.44/2,534,781.96 = 742,555.68/x - Step 3: Cross multiply
1,689,307.44x = 2,534,781.96 × 742,555.68 - Step 4: Simplify right side
1,689,307.44x = 1,882,216,741,959.53 - Step 5: Solve for x
x = 1,882,216,741,959.53/1,689,307.44 - Step 6: Final answer
x = 1,114,194.31
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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.