Finding the Fourth Proportional to 1,528,449.10, 2,289,684.12 and 1,258,964.12
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Solution
The fourth proportional to 1,528,449.10, 2,289,684.12 and 1,258,964.12 is: 1,885,983.74
Step by Step Solution
- Step 1: Write the proportion equation
1,528,449.10 : 2,289,684.12 = 1,258,964.12 : x - Step 2: Convert to fraction form
1,528,449.10/2,289,684.12 = 1,258,964.12/x - Step 3: Cross multiply
1,528,449.10x = 2,289,684.12 × 1,258,964.12 - Step 4: Simplify right side
1,528,449.10x = 2,882,630,153,213.78 - Step 5: Solve for x
x = 2,882,630,153,213.78/1,528,449.10 - Step 6: Final answer
x = 1,885,983.74
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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.