Finding the Fourth Proportional to 1,710,476.20, 2,360,296.80 and 1,022,010.96
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Solution
The fourth proportional to 1,710,476.20, 2,360,296.80 and 1,022,010.96 is: 1,410,279.31
Step by Step Solution
- Step 1: Write the proportion equation
1,710,476.20 : 2,360,296.80 = 1,022,010.96 : x - Step 2: Convert to fraction form
1,710,476.20/2,360,296.80 = 1,022,010.96/x - Step 3: Cross multiply
1,710,476.20x = 2,360,296.80 × 1,022,010.96 - Step 4: Simplify right side
1,710,476.20x = 2,412,249,198,452.93 - Step 5: Solve for x
x = 2,412,249,198,452.93/1,710,476.20 - Step 6: Final answer
x = 1,410,279.31
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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.