Finding the Fourth Proportional to 1,937,903.37, 2,674,287.14 and 1,078,449.09
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Solution
The fourth proportional to 1,937,903.37, 2,674,287.14 and 1,078,449.09 is: 1,488,248.88
Step by Step Solution
- Step 1: Write the proportion equation
1,937,903.37 : 2,674,287.14 = 1,078,449.09 : x - Step 2: Convert to fraction form
1,937,903.37/2,674,287.14 = 1,078,449.09/x - Step 3: Cross multiply
1,937,903.37x = 2,674,287.14 × 1,078,449.09 - Step 4: Simplify right side
1,937,903.37x = 2,884,082,527,139.46 - Step 5: Solve for x
x = 2,884,082,527,139.46/1,937,903.37 - Step 6: Final answer
x = 1,488,248.88
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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.