Finding the Fourth Proportional to 4,285,373.28, 5,913,985.63 and 2,351,703.06
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Solution
The fourth proportional to 4,285,373.28, 5,913,985.63 and 2,351,703.06 is: 3,245,443.79
Step by Step Solution
- Step 1: Write the proportion equation
4,285,373.28 : 5,913,985.63 = 2,351,703.06 : x - Step 2: Convert to fraction form
4,285,373.28/5,913,985.63 = 2,351,703.06/x - Step 3: Cross multiply
4,285,373.28x = 5,913,985.63 × 2,351,703.06 - Step 4: Simplify right side
4,285,373.28x = 13,907,938,102,867.03 - Step 5: Solve for x
x = 13,907,938,102,867.03/4,285,373.28 - Step 6: Final answer
x = 3,245,443.79
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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.