Finding the Fourth Proportional to 2,126,840.68, 2,935,292.52 and 1,209,208.24
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Solution
The fourth proportional to 2,126,840.68, 2,935,292.52 and 1,209,208.24 is: 1,668,850.86
Step by Step Solution
- Step 1: Write the proportion equation
2,126,840.68 : 2,935,292.52 = 1,209,208.24 : x - Step 2: Convert to fraction form
2,126,840.68/2,935,292.52 = 1,209,208.24/x - Step 3: Cross multiply
2,126,840.68x = 2,935,292.52 × 1,209,208.24 - Step 4: Simplify right side
2,126,840.68x = 3,549,379,901,994.37 - Step 5: Solve for x
x = 3,549,379,901,994.37/2,126,840.68 - Step 6: Final answer
x = 1,668,850.86
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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.