Finding the Fourth Proportional to 2,795,638.06, 3,858,298.13 and 1,555,371.12
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Solution
The fourth proportional to 2,795,638.06, 3,858,298.13 and 1,555,371.12 is: 2,146,588.85
Step by Step Solution
- Step 1: Write the proportion equation
2,795,638.06 : 3,858,298.13 = 1,555,371.12 : x - Step 2: Convert to fraction form
2,795,638.06/3,858,298.13 = 1,555,371.12/x - Step 3: Cross multiply
2,795,638.06x = 3,858,298.13 × 1,555,371.12 - Step 4: Simplify right side
2,795,638.06x = 6,001,085,483,752.01 - Step 5: Solve for x
x = 6,001,085,483,752.01/2,795,638.06 - Step 6: Final answer
x = 2,146,588.85
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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.