Finding the Fourth Proportional to 1,645,153.44, 2,270,882.50 and 1,130,610.63
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Solution
The fourth proportional to 1,645,153.44, 2,270,882.50 and 1,130,610.63 is: 1,560,634.91
Step by Step Solution
- Step 1: Write the proportion equation
1,645,153.44 : 2,270,882.50 = 1,130,610.63 : x - Step 2: Convert to fraction form
1,645,153.44/2,270,882.50 = 1,130,610.63/x - Step 3: Cross multiply
1,645,153.44x = 2,270,882.50 × 1,130,610.63 - Step 4: Simplify right side
1,645,153.44x = 2,567,483,893,980.97 - Step 5: Solve for x
x = 2,567,483,893,980.97/1,645,153.44 - Step 6: Final answer
x = 1,560,634.91
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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.