Finding the Fourth Proportional to 1,820,840.24, 2,512,759.78 and 1,005,044.18
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Solution
The fourth proportional to 1,820,840.24, 2,512,759.78 and 1,005,044.18 is: 1,386,961.11
Step by Step Solution
- Step 1: Write the proportion equation
1,820,840.24 : 2,512,759.78 = 1,005,044.18 : x - Step 2: Convert to fraction form
1,820,840.24/2,512,759.78 = 1,005,044.18/x - Step 3: Cross multiply
1,820,840.24x = 2,512,759.78 × 1,005,044.18 - Step 4: Simplify right side
1,820,840.24x = 2,525,434,592,627.08 - Step 5: Solve for x
x = 2,525,434,592,627.08/1,820,840.24 - Step 6: Final answer
x = 1,386,961.11
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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.