Finding the Fourth Proportional to 2,919,804.14, 4,000,064.74 and 2,810,640.23
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Solution
The fourth proportional to 2,919,804.14, 4,000,064.74 and 2,810,640.23 is: 3,850,512.70
Step by Step Solution
- Step 1: Write the proportion equation
2,919,804.14 : 4,000,064.74 = 2,810,640.23 : x - Step 2: Convert to fraction form
2,919,804.14/4,000,064.74 = 2,810,640.23/x - Step 3: Cross multiply
2,919,804.14x = 4,000,064.74 × 2,810,640.23 - Step 4: Simplify right side
2,919,804.14x = 11,242,742,893,601.81 - Step 5: Solve for x
x = 11,242,742,893,601.81/2,919,804.14 - Step 6: Final answer
x = 3,850,512.70
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.