Finding the Fourth Proportional to 5,128,371.68, 7,692,961.98 and 1,716,678.16
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Solution
The fourth proportional to 5,128,371.68, 7,692,961.98 and 1,716,678.16 is: 2,575,152.63
Step by Step Solution
- Step 1: Write the proportion equation
5,128,371.68 : 7,692,961.98 = 1,716,678.16 : x - Step 2: Convert to fraction form
5,128,371.68/7,692,961.98 = 1,716,678.16/x - Step 3: Cross multiply
5,128,371.68x = 7,692,961.98 × 1,716,678.16 - Step 4: Simplify right side
5,128,371.68x = 13,206,339,816,776.36 - Step 5: Solve for x
x = 13,206,339,816,776.36/5,128,371.68 - Step 6: Final answer
x = 2,575,152.63
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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.