Finding the Fourth Proportional to 2,488,346.93, 3,434,478.86 and 1,628,408.96
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Solution
The fourth proportional to 2,488,346.93, 3,434,478.86 and 1,628,408.96 is: 2,247,570.90
Step by Step Solution
- Step 1: Write the proportion equation
2,488,346.93 : 3,434,478.86 = 1,628,408.96 : x - Step 2: Convert to fraction form
2,488,346.93/3,434,478.86 = 1,628,408.96/x - Step 3: Cross multiply
2,488,346.93x = 3,434,478.86 × 1,628,408.96 - Step 4: Simplify right side
2,488,346.93x = 5,592,736,148,554.59 - Step 5: Solve for x
x = 5,592,736,148,554.59/2,488,346.93 - Step 6: Final answer
x = 2,247,570.90
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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.