Finding the Fourth Proportional to 4,285,258.45, 6,427,763.01 and 1,252,695.55
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Solution
The fourth proportional to 4,285,258.45, 6,427,763.01 and 1,252,695.55 is: 1,879,006.88
Step by Step Solution
- Step 1: Write the proportion equation
4,285,258.45 : 6,427,763.01 = 1,252,695.55 : x - Step 2: Convert to fraction form
4,285,258.45/6,427,763.01 = 1,252,695.55/x - Step 3: Cross multiply
4,285,258.45x = 6,427,763.01 × 1,252,695.55 - Step 4: Simplify right side
4,285,258.45x = 8,052,030,119,081.61 - Step 5: Solve for x
x = 8,052,030,119,081.61/4,285,258.45 - Step 6: Final answer
x = 1,879,006.88
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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.