Finding the Fourth Proportional to 2,631,490.12, 3,630,324.18 and 1,544,094.28
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Solution
The fourth proportional to 2,631,490.12, 3,630,324.18 and 1,544,094.28 is: 2,130,185.77
Step by Step Solution
- Step 1: Write the proportion equation
2,631,490.12 : 3,630,324.18 = 1,544,094.28 : x - Step 2: Convert to fraction form
2,631,490.12/3,630,324.18 = 1,544,094.28/x - Step 3: Cross multiply
2,631,490.12x = 3,630,324.18 × 1,544,094.28 - Step 4: Simplify right side
2,631,490.12x = 5,605,562,800,883.69 - Step 5: Solve for x
x = 5,605,562,800,883.69/2,631,490.12 - Step 6: Final answer
x = 2,130,185.77
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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.