Finding the Fourth Proportional to 2,257,539.52, 3,115,334.08 and 1,238,918.08
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Solution
The fourth proportional to 2,257,539.52, 3,115,334.08 and 1,238,918.08 is: 1,709,668.28
Step by Step Solution
- Step 1: Write the proportion equation
2,257,539.52 : 3,115,334.08 = 1,238,918.08 : x - Step 2: Convert to fraction form
2,257,539.52/3,115,334.08 = 1,238,918.08/x - Step 3: Cross multiply
2,257,539.52x = 3,115,334.08 × 1,238,918.08 - Step 4: Simplify right side
2,257,539.52x = 3,859,643,716,952.17 - Step 5: Solve for x
x = 3,859,643,716,952.17/2,257,539.52 - Step 6: Final answer
x = 1,709,668.28
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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.