Finding the Fourth Proportional to 3,840,689.18, 5,762,582.94 and 1,709,315.57
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Solution
The fourth proportional to 3,840,689.18, 5,762,582.94 and 1,709,315.57 is: 2,564,662.82
Step by Step Solution
- Step 1: Write the proportion equation
3,840,689.18 : 5,762,582.94 = 1,709,315.57 : x - Step 2: Convert to fraction form
3,840,689.18/5,762,582.94 = 1,709,315.57/x - Step 3: Cross multiply
3,840,689.18x = 5,762,582.94 × 1,709,315.57 - Step 4: Simplify right side
3,840,689.18x = 9,850,072,742,758.38 - Step 5: Solve for x
x = 9,850,072,742,758.38/3,840,689.18 - Step 6: Final answer
x = 2,564,662.82
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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.