Finding the Fourth Proportional to 2,540,716.60, 3,506,259.09 and 1,438,060.36
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Solution
The fourth proportional to 2,540,716.60, 3,506,259.09 and 1,438,060.36 is: 1,984,563.02
Step by Step Solution
- Step 1: Write the proportion equation
2,540,716.60 : 3,506,259.09 = 1,438,060.36 : x - Step 2: Convert to fraction form
2,540,716.60/3,506,259.09 = 1,438,060.36/x - Step 3: Cross multiply
2,540,716.60x = 3,506,259.09 × 1,438,060.36 - Step 4: Simplify right side
2,540,716.60x = 5,042,212,209,218.67 - Step 5: Solve for x
x = 5,042,212,209,218.67/2,540,716.60 - Step 6: Final answer
x = 1,984,563.02
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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.