Finding the Fourth Proportional to 1,447,723.84, 2,171,585.76 and 784,171.84
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Solution
The fourth proportional to 1,447,723.84, 2,171,585.76 and 784,171.84 is: 1,176,257.76
Step by Step Solution
- Step 1: Write the proportion equation
1,447,723.84 : 2,171,585.76 = 784,171.84 : x - Step 2: Convert to fraction form
1,447,723.84/2,171,585.76 = 784,171.84/x - Step 3: Cross multiply
1,447,723.84x = 2,171,585.76 × 784,171.84 - Step 4: Simplify right side
1,447,723.84x = 1,702,896,401,137.00 - Step 5: Solve for x
x = 1,702,896,401,137.00/1,447,723.84 - Step 6: Final answer
x = 1,176,257.76
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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.