Finding the Fourth Proportional to 3,901,638.93, 5,386,102.74 and 2,935,138.02
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Solution
The fourth proportional to 3,901,638.93, 5,386,102.74 and 2,935,138.02 is: 4,051,875.43
Step by Step Solution
- Step 1: Write the proportion equation
3,901,638.93 : 5,386,102.74 = 2,935,138.02 : x - Step 2: Convert to fraction form
3,901,638.93/5,386,102.74 = 2,935,138.02/x - Step 3: Cross multiply
3,901,638.93x = 5,386,102.74 × 2,935,138.02 - Step 4: Simplify right side
3,901,638.93x = 15,808,954,931,800.18 - Step 5: Solve for x
x = 15,808,954,931,800.18/3,901,638.93 - Step 6: Final answer
x = 4,051,875.43
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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.