Finding the Fourth Proportional to 2,519,702.39, 3,477,089.12 and 1,487,542.66
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Solution
The fourth proportional to 2,519,702.39, 3,477,089.12 and 1,487,542.66 is: 2,052,749.72
Step by Step Solution
- Step 1: Write the proportion equation
2,519,702.39 : 3,477,089.12 = 1,487,542.66 : x - Step 2: Convert to fraction form
2,519,702.39/3,477,089.12 = 1,487,542.66/x - Step 3: Cross multiply
2,519,702.39x = 3,477,089.12 × 1,487,542.66 - Step 4: Simplify right side
2,519,702.39x = 5,172,318,373,798.70 - Step 5: Solve for x
x = 5,172,318,373,798.70/2,519,702.39 - Step 6: Final answer
x = 2,052,749.72
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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.