Finding the Fourth Proportional to 4,986,590.99, 7,484,135.33 and 1,956,065.09
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Solution
The fourth proportional to 4,986,590.99, 7,484,135.33 and 1,956,065.09 is: 2,935,764.30
Step by Step Solution
- Step 1: Write the proportion equation
4,986,590.99 : 7,484,135.33 = 1,956,065.09 : x - Step 2: Convert to fraction form
4,986,590.99/7,484,135.33 = 1,956,065.09/x - Step 3: Cross multiply
4,986,590.99x = 7,484,135.33 × 1,956,065.09 - Step 4: Simplify right side
4,986,590.99x = 14,639,455,815,318.12 - Step 5: Solve for x
x = 14,639,455,815,318.12/4,986,590.99 - Step 6: Final answer
x = 2,935,764.30
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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.