Finding the Fourth Proportional to 1,497,804.80, 2,246,707.20 and 1,420,822.40
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Solution
The fourth proportional to 1,497,804.80, 2,246,707.20 and 1,420,822.40 is: 2,131,233.60
Step by Step Solution
- Step 1: Write the proportion equation
1,497,804.80 : 2,246,707.20 = 1,420,822.40 : x - Step 2: Convert to fraction form
1,497,804.80/2,246,707.20 = 1,420,822.40/x - Step 3: Cross multiply
1,497,804.80x = 2,246,707.20 × 1,420,822.40 - Step 4: Simplify right side
1,497,804.80x = 3,192,171,916,001.28 - Step 5: Solve for x
x = 3,192,171,916,001.28/1,497,804.80 - Step 6: Final answer
x = 2,131,233.60
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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.