Finding the Fourth Proportional to 2,640,698.02, 3,644,181.93 and 1,433,474.02
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Solution
The fourth proportional to 2,640,698.02, 3,644,181.93 and 1,433,474.02 is: 1,978,204.28
Step by Step Solution
- Step 1: Write the proportion equation
2,640,698.02 : 3,644,181.93 = 1,433,474.02 : x - Step 2: Convert to fraction form
2,640,698.02/3,644,181.93 = 1,433,474.02/x - Step 3: Cross multiply
2,640,698.02x = 3,644,181.93 × 1,433,474.02 - Step 4: Simplify right side
2,640,698.02x = 5,223,840,120,808.46 - Step 5: Solve for x
x = 5,223,840,120,808.46/2,640,698.02 - Step 6: Final answer
x = 1,978,204.28
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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.