Finding the Fourth Proportional to 1,487,942.96, 2,051,433.97 and 963,720.88
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Solution
The fourth proportional to 1,487,942.96, 2,051,433.97 and 963,720.88 is: 1,328,686.52
Step by Step Solution
- Step 1: Write the proportion equation
1,487,942.96 : 2,051,433.97 = 963,720.88 : x - Step 2: Convert to fraction form
1,487,942.96/2,051,433.97 = 963,720.88/x - Step 3: Cross multiply
1,487,942.96x = 2,051,433.97 × 963,720.88 - Step 4: Simplify right side
1,487,942.96x = 1,977,009,743,292.41 - Step 5: Solve for x
x = 1,977,009,743,292.41/1,487,942.96 - Step 6: Final answer
x = 1,328,686.52
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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.