Finding the Fourth Proportional to 1,457,757.09, 2,187,267.12 and 783,051.12
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Solution
The fourth proportional to 1,457,757.09, 2,187,267.12 and 783,051.12 is: 1,174,915.89
Step by Step Solution
- Step 1: Write the proportion equation
1,457,757.09 : 2,187,267.12 = 783,051.12 : x - Step 2: Convert to fraction form
1,457,757.09/2,187,267.12 = 783,051.12/x - Step 3: Cross multiply
1,457,757.09x = 2,187,267.12 × 783,051.12 - Step 4: Simplify right side
1,457,757.09x = 1,712,741,968,055.17 - Step 5: Solve for x
x = 1,712,741,968,055.17/1,457,757.09 - Step 6: Final answer
x = 1,174,915.89
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.