Finding the Fourth Proportional to 1,368,650.62, 1,888,675.67 and 787,849.03
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Solution
The fourth proportional to 1,368,650.62, 1,888,675.67 and 787,849.03 is: 1,087,195.86
Step by Step Solution
- Step 1: Write the proportion equation
1,368,650.62 : 1,888,675.67 = 787,849.03 : x - Step 2: Convert to fraction form
1,368,650.62/1,888,675.67 = 787,849.03/x - Step 3: Cross multiply
1,368,650.62x = 1,888,675.67 × 787,849.03 - Step 4: Simplify right side
1,368,650.62x = 1,487,991,281,211.48 - Step 5: Solve for x
x = 1,487,991,281,211.48/1,368,650.62 - Step 6: Final answer
x = 1,087,195.86
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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.