Finding the Fourth Proportional to 2,237,393.16, 3,087,372.42 and 1,257,176.52
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Solution
The fourth proportional to 2,237,393.16, 3,087,372.42 and 1,257,176.52 is: 1,734,774.28
Step by Step Solution
- Step 1: Write the proportion equation
2,237,393.16 : 3,087,372.42 = 1,257,176.52 : x - Step 2: Convert to fraction form
2,237,393.16/3,087,372.42 = 1,257,176.52/x - Step 3: Cross multiply
2,237,393.16x = 3,087,372.42 × 1,257,176.52 - Step 4: Simplify right side
2,237,393.16x = 3,881,372,114,919.58 - Step 5: Solve for x
x = 3,881,372,114,919.58/2,237,393.16 - Step 6: Final answer
x = 1,734,774.28
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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.