Finding the Fourth Proportional to 1,551,890.03, 2,140,394.99 and 1,008,200.99
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Solution
The fourth proportional to 1,551,890.03, 2,140,394.99 and 1,008,200.99 is: 1,390,529.16
Step by Step Solution
- Step 1: Write the proportion equation
1,551,890.03 : 2,140,394.99 = 1,008,200.99 : x - Step 2: Convert to fraction form
1,551,890.03/2,140,394.99 = 1,008,200.99/x - Step 3: Cross multiply
1,551,890.03x = 2,140,394.99 × 1,008,200.99 - Step 4: Simplify right side
1,551,890.03x = 2,157,948,342,868.04 - Step 5: Solve for x
x = 2,157,948,342,868.04/1,551,890.03 - Step 6: Final answer
x = 1,390,529.16
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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.