Finding the Fourth Proportional to 4,742,972.46, 6,545,347.08 and 2,782,883.84
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Solution
The fourth proportional to 4,742,972.46, 6,545,347.08 and 2,782,883.84 is: 3,840,406.15
Step by Step Solution
- Step 1: Write the proportion equation
4,742,972.46 : 6,545,347.08 = 2,782,883.84 : x - Step 2: Convert to fraction form
4,742,972.46/6,545,347.08 = 2,782,883.84/x - Step 3: Cross multiply
4,742,972.46x = 6,545,347.08 × 2,782,883.84 - Step 4: Simplify right side
4,742,972.46x = 18,214,940,608,675.91 - Step 5: Solve for x
x = 18,214,940,608,675.91/4,742,972.46 - Step 6: Final answer
x = 3,840,406.15
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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.