Finding the Fourth Proportional to 1,959,453.96, 2,939,936.64 and 762,219.68
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Solution
The fourth proportional to 1,959,453.96, 2,939,936.64 and 762,219.68 is: 1,143,623.48
Step by Step Solution
- Step 1: Write the proportion equation
1,959,453.96 : 2,939,936.64 = 762,219.68 : x - Step 2: Convert to fraction form
1,959,453.96/2,939,936.64 = 762,219.68/x - Step 3: Cross multiply
1,959,453.96x = 2,939,936.64 × 762,219.68 - Step 4: Simplify right side
1,959,453.96x = 2,240,877,564,961.08 - Step 5: Solve for x
x = 2,240,877,564,961.08/1,959,453.96 - Step 6: Final answer
x = 1,143,623.48
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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.