Finding the Fourth Proportional to 2,256,306.08, 3,113,673.36 and 1,289,425.28
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Solution
The fourth proportional to 2,256,306.08, 3,113,673.36 and 1,289,425.28 is: 1,779,390.30
Step by Step Solution
- Step 1: Write the proportion equation
2,256,306.08 : 3,113,673.36 = 1,289,425.28 : x - Step 2: Convert to fraction form
2,256,306.08/3,113,673.36 = 1,289,425.28/x - Step 3: Cross multiply
2,256,306.08x = 3,113,673.36 × 1,289,425.28 - Step 4: Simplify right side
2,256,306.08x = 4,014,849,144,046.54 - Step 5: Solve for x
x = 4,014,849,144,046.54/2,256,306.08 - Step 6: Final answer
x = 1,779,390.30
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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.