Finding the Fourth Proportional to 4,518,698.80, 6,775,909.80 and 2,626,020.40
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Solution
The fourth proportional to 4,518,698.80, 6,775,909.80 and 2,626,020.40 is: 3,937,787.88
Step by Step Solution
- Step 1: Write the proportion equation
4,518,698.80 : 6,775,909.80 = 2,626,020.40 : x - Step 2: Convert to fraction form
4,518,698.80/6,775,909.80 = 2,626,020.40/x - Step 3: Cross multiply
4,518,698.80x = 6,775,909.80 × 2,626,020.40 - Step 4: Simplify right side
4,518,698.80x = 17,793,677,363,359.92 - Step 5: Solve for x
x = 17,793,677,363,359.92/4,518,698.80 - Step 6: Final answer
x = 3,937,787.88
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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.