Finding the Fourth Proportional to 4,670,909.76, 6,445,859.48 and 2,605,925.65
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Solution
The fourth proportional to 4,670,909.76, 6,445,859.48 and 2,605,925.65 is: 3,596,179.63
Step by Step Solution
- Step 1: Write the proportion equation
4,670,909.76 : 6,445,859.48 = 2,605,925.65 : x - Step 2: Convert to fraction form
4,670,909.76/6,445,859.48 = 2,605,925.65/x - Step 3: Cross multiply
4,670,909.76x = 6,445,859.48 × 2,605,925.65 - Step 4: Simplify right side
4,670,909.76x = 16,797,430,555,227.66 - Step 5: Solve for x
x = 16,797,430,555,227.66/4,670,909.76 - Step 6: Final answer
x = 3,596,179.63
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.