Finding the Fourth Proportional to 4,249,231.85, 6,369,235.94 and 2,789,665.81
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Solution
The fourth proportional to 4,249,231.85, 6,369,235.94 and 2,789,665.81 is: 4,181,470.99
Step by Step Solution
- Step 1: Write the proportion equation
4,249,231.85 : 6,369,235.94 = 2,789,665.81 : x - Step 2: Convert to fraction form
4,249,231.85/6,369,235.94 = 2,789,665.81/x - Step 3: Cross multiply
4,249,231.85x = 6,369,235.94 × 2,789,665.81 - Step 4: Simplify right side
4,249,231.85x = 17,768,039,728,692.29 - Step 5: Solve for x
x = 17,768,039,728,692.29/4,249,231.85 - Step 6: Final answer
x = 4,181,470.99
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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.