Finding the Fourth Proportional to 3,312,621.68, 4,571,311.24 and 1,862,378
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Solution
The fourth proportional to 3,312,621.68, 4,571,311.24 and 1,862,378 is: 2,570,021.66
Step by Step Solution
- Step 1: Write the proportion equation
3,312,621.68 : 4,571,311.24 = 1,862,378 : x - Step 2: Convert to fraction form
3,312,621.68/4,571,311.24 = 1,862,378/x - Step 3: Cross multiply
3,312,621.68x = 4,571,311.24 × 1,862,378 - Step 4: Simplify right side
3,312,621.68x = 8,513,509,484,528.72 - Step 5: Solve for x
x = 8,513,509,484,528.72/3,312,621.68 - Step 6: Final answer
x = 2,570,021.66
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.