Finding the Fourth Proportional to 1,664,612.07, 2,296,918.36 and 1,010,898.13
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Solution
The fourth proportional to 1,664,612.07, 2,296,918.36 and 1,010,898.13 is: 1,394,889.85
Step by Step Solution
- Step 1: Write the proportion equation
1,664,612.07 : 2,296,918.36 = 1,010,898.13 : x - Step 2: Convert to fraction form
1,664,612.07/2,296,918.36 = 1,010,898.13/x - Step 3: Cross multiply
1,664,612.07x = 2,296,918.36 × 1,010,898.13 - Step 4: Simplify right side
1,664,612.07x = 2,321,950,474,886.67 - Step 5: Solve for x
x = 2,321,950,474,886.67/1,664,612.07 - Step 6: Final answer
x = 1,394,889.85
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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.