Finding the Fourth Proportional to 3,700,523.75, 5,551,602.12 and 1,572,426.95
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Solution
The fourth proportional to 3,700,523.75, 5,551,602.12 and 1,572,426.95 is: 2,358,987.37
Step by Step Solution
- Step 1: Write the proportion equation
3,700,523.75 : 5,551,602.12 = 1,572,426.95 : x - Step 2: Convert to fraction form
3,700,523.75/5,551,602.12 = 1,572,426.95/x - Step 3: Cross multiply
3,700,523.75x = 5,551,602.12 × 1,572,426.95 - Step 4: Simplify right side
3,700,523.75x = 8,729,488,789,165.13 - Step 5: Solve for x
x = 8,729,488,789,165.13/3,700,523.75 - Step 6: Final answer
x = 2,358,987.37
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.