Finding the Fourth Proportional to 2,644,186.88, 3,966,564.63 and 1,128,030.00
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Solution
The fourth proportional to 2,644,186.88, 3,966,564.63 and 1,128,030.00 is: 1,692,166.28
Step by Step Solution
- Step 1: Write the proportion equation
2,644,186.88 : 3,966,564.63 = 1,128,030.00 : x - Step 2: Convert to fraction form
2,644,186.88/3,966,564.63 = 1,128,030.00/x - Step 3: Cross multiply
2,644,186.88x = 3,966,564.63 × 1,128,030.00 - Step 4: Simplify right side
2,644,186.88x = 4,474,403,888,934.40 - Step 5: Solve for x
x = 4,474,403,888,934.40/2,644,186.88 - Step 6: Final answer
x = 1,692,166.28
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.