Finding the Fourth Proportional to 2,248,889.12, 3,103,540.08 and 1,230,293.88
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Solution
The fourth proportional to 2,248,889.12, 3,103,540.08 and 1,230,293.88 is: 1,697,845.54
Step by Step Solution
- Step 1: Write the proportion equation
2,248,889.12 : 3,103,540.08 = 1,230,293.88 : x - Step 2: Convert to fraction form
2,248,889.12/3,103,540.08 = 1,230,293.88/x - Step 3: Cross multiply
2,248,889.12x = 3,103,540.08 × 1,230,293.88 - Step 4: Simplify right side
2,248,889.12x = 3,818,266,366,758.71 - Step 5: Solve for x
x = 3,818,266,366,758.71/2,248,889.12 - Step 6: Final answer
x = 1,697,845.54
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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.