Finding the Fourth Proportional to 2,376,738.79, 3,279,890.06 and 1,289,005.99
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Solution
The fourth proportional to 2,376,738.79, 3,279,890.06 and 1,289,005.99 is: 1,778,823.13
Step by Step Solution
- Step 1: Write the proportion equation
2,376,738.79 : 3,279,890.06 = 1,289,005.99 : x - Step 2: Convert to fraction form
2,376,738.79/3,279,890.06 = 1,289,005.99/x - Step 3: Cross multiply
2,376,738.79x = 3,279,890.06 × 1,289,005.99 - Step 4: Simplify right side
2,376,738.79x = 4,227,797,933,881.46 - Step 5: Solve for x
x = 4,227,797,933,881.46/2,376,738.79 - Step 6: Final answer
x = 1,778,823.13
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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.