Finding the Fourth Proportional to 2,376,456.19, 3,279,510.30 and 1,288,727.44
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Solution
The fourth proportional to 2,376,456.19, 3,279,510.30 and 1,288,727.44 is: 1,778,444.28
Step by Step Solution
- Step 1: Write the proportion equation
2,376,456.19 : 3,279,510.30 = 1,288,727.44 : x - Step 2: Convert to fraction form
2,376,456.19/3,279,510.30 = 1,288,727.44/x - Step 3: Cross multiply
2,376,456.19x = 3,279,510.30 × 1,288,727.44 - Step 4: Simplify right side
2,376,456.19x = 4,226,394,913,372.63 - Step 5: Solve for x
x = 4,226,394,913,372.63/2,376,456.19 - Step 6: Final answer
x = 1,778,444.28
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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.