Finding the Fourth Proportional to 3,921,898.40, 5,882,852.16 and 1,226,237.92
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Solution
The fourth proportional to 3,921,898.40, 5,882,852.16 and 1,226,237.92 is: 1,839,358.31
Step by Step Solution
- Step 1: Write the proportion equation
3,921,898.40 : 5,882,852.16 = 1,226,237.92 : x - Step 2: Convert to fraction form
3,921,898.40/5,882,852.16 = 1,226,237.92/x - Step 3: Cross multiply
3,921,898.40x = 5,882,852.16 × 1,226,237.92 - Step 4: Simplify right side
3,921,898.40x = 7,213,776,396,345.91 - Step 5: Solve for x
x = 7,213,776,396,345.91/3,921,898.40 - Step 6: Final answer
x = 1,839,358.31
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.