Finding the Fourth Proportional to 4,826,438.10, 7,239,657.15 and 3,209,807.70
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Solution
The fourth proportional to 4,826,438.10, 7,239,657.15 and 3,209,807.70 is: 4,814,711.55
Step by Step Solution
- Step 1: Write the proportion equation
4,826,438.10 : 7,239,657.15 = 3,209,807.70 : x - Step 2: Convert to fraction form
4,826,438.10/7,239,657.15 = 3,209,807.70/x - Step 3: Cross multiply
4,826,438.10x = 7,239,657.15 × 3,209,807.70 - Step 4: Simplify right side
4,826,438.10x = 23,237,907,265,430.06 - Step 5: Solve for x
x = 23,237,907,265,430.06/4,826,438.10 - Step 6: Final answer
x = 4,814,711.55
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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.