Finding the Fourth Proportional to 1,351,537.41, 1,864,937.40 and 807,558.21
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Solution
The fourth proportional to 1,351,537.41, 1,864,937.40 and 807,558.21 is: 1,114,320.25
Step by Step Solution
- Step 1: Write the proportion equation
1,351,537.41 : 1,864,937.40 = 807,558.21 : x - Step 2: Convert to fraction form
1,351,537.41/1,864,937.40 = 807,558.21/x - Step 3: Cross multiply
1,351,537.41x = 1,864,937.40 × 807,558.21 - Step 4: Simplify right side
1,351,537.41x = 1,506,045,508,506.05 - Step 5: Solve for x
x = 1,506,045,508,506.05/1,351,537.41 - Step 6: Final answer
x = 1,114,320.25
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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.