Finding the Fourth Proportional to 1,377,351.80, 2,064,010.80 and 1,235,196.80
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Solution
The fourth proportional to 1,377,351.80, 2,064,010.80 and 1,235,196.80 is: 1,850,986.46
Step by Step Solution
- Step 1: Write the proportion equation
1,377,351.80 : 2,064,010.80 = 1,235,196.80 : x - Step 2: Convert to fraction form
1,377,351.80/2,064,010.80 = 1,235,196.80/x - Step 3: Cross multiply
1,377,351.80x = 2,064,010.80 × 1,235,196.80 - Step 4: Simplify right side
1,377,351.80x = 2,549,459,535,325.44 - Step 5: Solve for x
x = 2,549,459,535,325.44/1,377,351.80 - Step 6: Final answer
x = 1,850,986.46
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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.