Finding the Fourth Proportional to 1,787,283.93, 2,466,469.34 and 971,487.11
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Solution
The fourth proportional to 1,787,283.93, 2,466,469.34 and 971,487.11 is: 1,340,661.72
Step by Step Solution
- Step 1: Write the proportion equation
1,787,283.93 : 2,466,469.34 = 971,487.11 : x - Step 2: Convert to fraction form
1,787,283.93/2,466,469.34 = 971,487.11/x - Step 3: Cross multiply
1,787,283.93x = 2,466,469.34 × 971,487.11 - Step 4: Simplify right side
1,787,283.93x = 2,396,143,153,830.43 - Step 5: Solve for x
x = 2,396,143,153,830.43/1,787,283.93 - Step 6: Final answer
x = 1,340,661.72
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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.