Finding the Fourth Proportional to 3,651,429.12, 5,480,292.96 and 1,409,141.76
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Solution
The fourth proportional to 3,651,429.12, 5,480,292.96 and 1,409,141.76 is: 2,114,927.99
Step by Step Solution
- Step 1: Write the proportion equation
3,651,429.12 : 5,480,292.96 = 1,409,141.76 : x - Step 2: Convert to fraction form
3,651,429.12/5,480,292.96 = 1,409,141.76/x - Step 3: Cross multiply
3,651,429.12x = 5,480,292.96 × 1,409,141.76 - Step 4: Simplify right side
3,651,429.12x = 7,722,509,666,970.01 - Step 5: Solve for x
x = 7,722,509,666,970.01/3,651,429.12 - Step 6: Final answer
x = 2,114,927.99
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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.