Finding the Fourth Proportional to 4,654,909.14, 6,423,017.66 and 2,589,871.65
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Solution
The fourth proportional to 4,654,909.14, 6,423,017.66 and 2,589,871.65 is: 3,573,601.72
Step by Step Solution
- Step 1: Write the proportion equation
4,654,909.14 : 6,423,017.66 = 2,589,871.65 : x - Step 2: Convert to fraction form
4,654,909.14/6,423,017.66 = 2,589,871.65/x - Step 3: Cross multiply
4,654,909.14x = 6,423,017.66 × 2,589,871.65 - Step 4: Simplify right side
4,654,909.14x = 16,634,791,332,133.98 - Step 5: Solve for x
x = 16,634,791,332,133.98/4,654,909.14 - Step 6: Final answer
x = 3,573,601.72
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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.