Finding the Fourth Proportional to 1,787,282.20, 2,466,444.90 and 971,485.84
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Solution
The fourth proportional to 1,787,282.20, 2,466,444.90 and 971,485.84 is: 1,340,647.99
Step by Step Solution
- Step 1: Write the proportion equation
1,787,282.20 : 2,466,444.90 = 971,485.84 : x - Step 2: Convert to fraction form
1,787,282.20/2,466,444.90 = 971,485.84/x - Step 3: Cross multiply
1,787,282.20x = 2,466,444.90 × 971,485.84 - Step 4: Simplify right side
1,787,282.20x = 2,396,116,295,490.22 - Step 5: Solve for x
x = 2,396,116,295,490.22/1,787,282.20 - Step 6: Final answer
x = 1,340,647.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.