Finding the Fourth Proportional to 3,885,178.88, 5,826,368.64 and 1,641,491.84
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Solution
The fourth proportional to 3,885,178.88, 5,826,368.64 and 1,641,491.84 is: 2,461,646.39
Step by Step Solution
- Step 1: Write the proportion equation
3,885,178.88 : 5,826,368.64 = 1,641,491.84 : x - Step 2: Convert to fraction form
3,885,178.88/5,826,368.64 = 1,641,491.84/x - Step 3: Cross multiply
3,885,178.88x = 5,826,368.64 × 1,641,491.84 - Step 4: Simplify right side
3,885,178.88x = 9,563,936,579,391.90 - Step 5: Solve for x
x = 9,563,936,579,391.90/3,885,178.88 - Step 6: Final answer
x = 2,461,646.39
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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.