Finding the Fourth Proportional to 1,391,465.88, 2,087,986.14 and 592,664.13
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Solution
The fourth proportional to 1,391,465.88, 2,087,986.14 and 592,664.13 is: 889,331.54
Step by Step Solution
- Step 1: Write the proportion equation
1,391,465.88 : 2,087,986.14 = 592,664.13 : x - Step 2: Convert to fraction form
1,391,465.88/2,087,986.14 = 592,664.13/x - Step 3: Cross multiply
1,391,465.88x = 2,087,986.14 × 592,664.13 - Step 4: Simplify right side
1,391,465.88x = 1,237,474,489,115.16 - Step 5: Solve for x
x = 1,237,474,489,115.16/1,391,465.88 - Step 6: Final answer
x = 889,331.54
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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.